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William Bown (1834-1900) of Bown Manufacturing Co, Brearley Street and Summer Lane, Birmingham
1834 November. Born in Birmingham the son of John Bown, a Dray Man, and his wife Martha.
1861 Living at 136 Farm Street, Birmingham: William Bown (age 26 born Birmingham), a Brass Founder. With his wife Emily Bown (age 24 born Birmingham). Also two lodgers.
1862 Company formed
1867 Listed as a Shuttle Maker of 45 Brearley Street.
1870 Patent. '2781. And to William Bown, of Birmingham, in the county of Warwick, Shuttle Manufacturer, for the invention of "an improved arrangement of feed regulator for sewing machines."'
1871 Living at 388 Summer Lane / Brearley St, Birmingham: William Bown (age 31 born Birmingham), a Manufacturer of Sewing Machine. With his wife Emily Bown (age 34 born Birmingham). Also his nephew James Flavell (age 6 born Birmingham). Two servants.
1874 Patent. '715. And William Bown, of Birmingham, in the county of Warwick, Manufacturer, has given the like notice in respect of the invention of "improvements in horse clippers."'
1875 Listed as a Sewing Machine Shuttle Maker of 308 Summer Lane.
1875 William Bown, manufacturer of shuttles, reels, fittings and attachments to all kinds of sewing machines of 308 Summer Lane, Birmingham. 
1876 Patent. '3266. To William Bown, of Birmingham, in the county of Warwick, Manufacturer, for the invention of "improvements in the construction of wheels or rollers for roller skates and for other purposes."'
1876 Patent. '3817. And William Bown, of Birmingham, in the county of Warwick, Manufacturer, has given the like notice in respect of the invention of "improvements in sewing machine shuttles."'
1877 Patent '3531 introducing the first ball race pedal which even today the design remains basically the same. They used the name 'Aeolus' for various products including the pedals.
1877 Notice warning anyone infringing his patent of adjustable ball bearings.
1877 Description of the property in Summer street and on the corner of Brearley street. 
1878 Patent. '653. To William Bown, of Birmingham, in the county of Warwick, Manufacturer, for the invention of "certain improvements in apparatus for clipping or shearing horses and other animals."'
1878 Patent. '1274. To William Bown, of Birmingham, in the county of Warwick, Manufacturer, for the invention of "certain improvements in springs for gloves and other purposes, and in the means used for securing springs to gloves or other articles."
1878 Patent. '3303. To William Bown, of Birmingham, in the county of Warwick, Manufacturer, for the invention of "certain improvements in attachments and accessories for sewing-machines, parts of which are applicable for other useful purposes."'
1879 Patent for improvements to bicycles, tricycles and other velocipedes etc. 
1879 Producing ball bearings 
1881 Living at Melton House, Park Road, Handsworth: William Bown (age 46 born Birmingham), a Manufacturer employing 96 men and 60 females - and a Widower. With his nephew James W. Flavell (age 16 born Birmingham), a Clerk.
1882 of Summer lane, Birmingham; sole maker of patent 'Aeolus' ball bearings and general bicycle fittings and stampings
1883 Court case. 'BOWN v. HUMBER AND OTHERS,- The hearing of this case was resumed yesterday, in the Chancery Division, before Mr. Justice North. William Bown, of Birmingham, was the plaintiff, and he sued the defendants, Messrs. Humber, Marriot, and Cooper, of Beeston, in Nottinghamshire, for damages for infringing letters patent granted to Joseph Henry Hughes, dated September 19th 1877, the title of the patent being for improvements in the bearings of bicycles and velocipedes or carriages....Frederick Bramwell was further examined on behalf of plaintiff, and was subjected to a long cross-examination by Mr. Davey, Q.C. At the conclusions of the witness's evidence, Mr. Aston stated that in the event of the defendants producing evidence to show that Edlin's, Keen's, and Humber and Marriot's machines, as produced in Court, were made and in use before Hughes's patent were granted, he would not proceed further with the action.' 
1893 Takes limited liability. Directors are: G. Ernest Wright, Macolm Guthrie, James Adie, James W. Flavell and William Bown. Formed in 1862 and now employs 800 persons. Recently obtained new premises in Bracebridge street.
1900 Obituary. 'DEATH OF MR. WILLIAM BOWN. Our obituary contains notice of the death of Mr. William Bown, which occurred on Saturday, at his residence, 365, Harborne Road. Mr. Bown, who was born in Birmingham in November, 1834, was well-known in connection with the sewing-machine and cycle trades, and was until five years ago managing director of William Bown (Limited), a company which was formed to take over his business in 1892. At a much earlier period, however, than that his name became almost famous as the inventor of the "AEolus ball bearing." The early bicycles- "bone-shakers," as they are now called - which came to us from France, just before the Franco-German war, had the wheel spindles enclosed simply in a smooth gun-metal bearing. The great object of the builders of improved bicycles was to reduce friction, and thereby enable the machine to run as easily as possible. Roller bearings were first introduced with this object, and then ball bearings were tried - that is to say, the spindles rested upon steel balls contained in a case. The difficulty, however, was to arrange for making good the areas of the balls and of the portions of metal resting upon them; and this was first accomplished by an invention of Mr. Bown, patented in 1877, whereby the journal was made adjustable. Mr. Bown, who had commenced business in a very small way as a machinist - chiefly in connection with sewing machines - was an indefatigable experimenter and a far-seeing man. The possibilities of the cycle trade early became manifest to him, and, having achieved fame by his bearings, he at once began to develop this side of his business. Following upon the gain in lightness brought-about by the invention of the spider-wheel, the designing of a practicable ball-bearing gave the trade the most marvelous impetus it had up to that time received. For a long period the "AEolus" bearing was the best device of its kind, and bicycle and tricycle makers paid large sums in royalties for its use, while the reputation it, brought Mr. Bown, together with the ingenuity and skill which he brought to bear upon other details of cycle construction, enabled him to build up a large business. In 1892 this business, carried on in Summer Lane, was turned into a limited company with a capital of £100,000, and the plant and machinery were largely added to, while the work people numbered about a thousand. A stamping and engineering works at Bracebridge Street, Aston, with about 250 men, was added, but this has been sold. The "AEolus" bearing was at length superseded, and Mr. Bown's other earlier patents ran out, with the result that the invention became the common property of the trade. Prior to this, however, the invention, like others in the cycle trade, had given rise to a long and expensive law suit, that of Bown v. Humber. The trade mark "AEolus" has been retained for the cycles and parts turned out by the firm. Mr. Blown was one of the earliest to experiment with spring frames, and he brought out a spring-jointed fork with a view to reducing the vibration felt it, the handles. The present lightness of construction, however, was then undreamt of, and the contrivance, on account of its addition to the weight of the machine, did not gain much favour. The introduction of the pneumatic tyre, too, checked enterprise in that direction for a time. Though he took no part in the development of the pneumatic tyre, Mr. Bown was one of the first to realise its possibilities and to adopt it. A number of ingenious cycle accessories, with various patented contrivances in other Departments of trade, testify to Mr. Bown's ingenuity, and the sewing machine business was also continued. Until the state of his health compelled him to retire, about five years ago, Mr. Bown was most assiduous in attention to business, it being no uncommon thing for him to be present when the works opened in the morning. He was a self-made Birmingham man, but was notable for his cultured tastes and his universal courtesy. His employes and others who were associated with him all remember him, not only for his kindly and unassuming manners, but for many acts of generosity unostentatiously performed. One of his principal hobbies was floriculture, and during his residence at Holly Lawn, Beech Lanes, he became quite famous as an exhibitor of orchids, azaleas, and other flowers. Mr. Bown leaves a widow, but no children, but a second cousin, Mr. William Bown, is associated with the business.'
1907 Aeolus cycles