On August 21, 1888, William Seward Burroughs was issued four patents for the first successful “calculating machine.” Adding machines of his time were unreliable and…
On August 18, 1869, Canadian Intellectual Property Office issued the Canadian patent to W. Hamilton for Eureka Fluid Meter, a machine for measuring liquids. The…
Coolidge was one of the most important innovators of the 20th century in his field. Coolidge developed the ductile tungsten filament used in lightbulbs, fluorescent…
