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The first patent for the O-ring is dated May 12, 1896, as a Swedish patent. J. O. Lundberg, the inventor of the O-ring, received the patent. [6] The US patent [7] [8] for the O-ring was filed in 1937 by a then 72-year-old Danish-born machinist, Niels Christensen. [9]
U.S. patent 748,626 – Patent for the first version of The Landlord's Game, Issued on Jan 5, 1904; U.S. patent 1,509,312 – Patent for the second version of The Landlord's Game, Issued on Sep 23, 1924; U.S. patent 2,026,082 – Patent awarded to C.B. Darrow for Monopoly on December 31, 1935; The History of The Landlord's Game and Monopoly.
The Patent Office Pony: A History of the Early Patent Office. Sergeant Kirkland's Press. Galvez-Behar, G. (2008). La République des inventeurs. Propriété et organisation de l'innovation en France (in French). Presses universitaires de Rennes. MacLeod, Christine (1988). Inventing the Industrial Revolution: The English patent system, 1660 ...
[5] The Patent Act of 1836 (Ch. 357, 5 Stat. 117) further clarified United States patent law to the extent of establishing a patent office where patent applications are filed, processed, and granted, contingent upon the language and scope of the claimant's invention, for a patent term of 14 years with an extension of up to an additional 7 years ...
BDORT as illustrated in patent 5188107 [1]. The Bi-Digital O-Ring Test (BDORT), characterized as a form of applied kinesiology, [2] is a patented alternative medicine diagnostic procedure in which a patient forms an 'O' with his or her fingers, and the diagnostician subjectively evaluates the patient's health according to the patient's finger strength as the diagnostician tries to pry them apart.
The discovery of the Composition of Saturn's Rings James Clerk Maxwell (1859): determined the rings of Saturn were composed of numerous small particles, all independently orbiting the planet. At the time it was generally thought the rings were solid. The Maxwell Ringlet and Maxwell Gap were named in his honor. [86]
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A complete sheathing would have no lip, but required the Horner's skill to devise a means of manufacturing the deep metal cone. Unusually, although Halifax and Yorkshire East of the Pennines is best known for its wool trade, the patent mentions cotton yarns specifically, generally considered a Lancashire trade, West of the Pennines.