On December 16, 1914, Charles Francis Jenkins (a prolific inventor) filed a patent for Gravity-railway device, that allows a railway car carrying minerals or passengers…
On December 15, 1964, Kenneth Olsen (founder of DEC) received a patent for “magnetic core memory”. This was the first used in a minicomputer. In 1986,…
Patented Bird Diaper. This sounds funny. But birds can poop while flying, this poses problems for keeping birds as pets. Bird Diaper is quite useful in…
On December 11, 1900, Ronald F Mcfeely patented a shoe making machine …
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