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The 100 known most prolific inventors based on worldwide utility patents are shown in the following table. While in many cases this is the number of utility patents granted by the United States Patent and Trademark Office, it may include utility patents granted by other countries, as noted by the source references for an inventor.
In 1641, the first patent in North America was issued to Samuel Winslow by the General Court of Massachusetts for a new method of making salt. [ 1 ] [ 2 ] [ 3 ] On April 10, 1790, President George Washington signed the Patent Act of 1790 (1 Stat. 109) into law which proclaimed that patents were to be authorized for "any useful art, manufacture ...
Wikipedia entry for Google Patents.Google Patents is a search engine from Google that indexes patents and patent applications from the United States Patent and Trademark Office.
A sampling of U.S. patents for inventions by George Westinghouse. Many of the same inventions were also patented in foreign countries, including Austria, Australia, Canada, Denmark, France, Germany, Great Britain, Spain, and Switzerland. Many other patents were filed in the names of his companies or various of his engineers.
Chris Gladwin is an American inventor, [2] computer engineer and technology entrepreneur, [3] [4] [5] who has founded or co-founded a series of tech-related companies [6] including MusicNow, Cleversafe and Ocient.
Amos Edward Joel Jr. (1918–2008) U.S. – electrical engineer, known for several contributions and over seventy patents related to telecommunications switching systems Carl Edvard Johansson (1864–1943), Sweden – Gauge blocks
Beasley licensed a patent to the Standard Oil Company, exhibited her work at the World's Industrial and Cotton Centennial Exposition and the World's Columbian Exposition, and founded two companies for the design and manufacture of barrels (one of which later sold for $1.4 million, the equivalent to $47,475,556 in 2023).
A postage meter imprints an amount of postage, functioning as a postage stamp, a cancellation and a dated postmark all in one. The postage meter was invented by Chicago inventor Arthur Pitney, receiving a patent for the invention on October 14, 1902. [87] 1902 Teddy bear. A teddy bear is a stuffed toy bear.
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