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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 seven years ...
The following articles cover the timeline of United States inventions: . Timeline of United States inventions (before 1890), before the turn of the century Timeline of United States inventions (1890–1945), before World War II
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. [6]
McGaw, Judith A. (1994), Early American Technology: Making and Doing Things from the Colonial Era to 1850, Charlottesville: University of North Carolina Press, ISBN 0-8078-4484-5; Mowery, David C.; Rosenberg, Nathan (1998), Paths of Innovation: Technological Change in 20th Century America, Cambridge, Eng.,
Nikola Tesla was a famous 20th century Serbian-American scientist who is most famous for designing the alternating current (AC) electricity supply system. The world-famed engineer could speak in ...
Genetic evidence from body lice suggests a range of dates centering over 100 thousand years ago. [28] The first bone scrapers appropriate for scraping hides to make supple leather were found in Morocco dating to 90–120,000 years ago. [29] [30] 164 kya – 47 kya: Heat treating of stone blades in South Africa. [31]
Many people dream of becoming rich and watching their financial troubles disappear. This is just as true now as it was 100 years ago -- even if the way people go about it has changed. Maximize Your...
Exactly 141 years ago at high noon, time changed forever in America. In Boston, time moved forward 16 minutes. In Baltimore 6. New Yorkers lost about 4 minutes. Those in Atlanta said goodbye to 22 ...