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…
Tag: ThisDayInHistory
This Day in Patent History - On December 15, 1964, Kenneth Olsen (founder of DEC) received a patent for "magnetic core memory"
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,…
This Day in Patent History - On December 14, 1895, H. W. Libbey filed a patent for an electric bicycle
On December 14, 1895, H. W. Libbey filed a patent for an electric bicycle. This was second patent granted on electric bicycle. The bicycle propelled…
Sunday Funday - Bird Diaper
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…
This Day in Patent History - On December 12, 1980, the Computer Software Act of 1980 was enacted
On December 12, 1980, the Computer Software Act of 1980 was enacted. The act allowed patent protection for software code.
This Day in Patent History - On December 11, 1900, Ronald F Mcfeely patented a shoe making machine
On December 11, 1900, Ronald F Mcfeely patented a shoe making machine …
This Day in Patent History - On December 10, 1898, Leamon G. Souder patented an escalator
On December 10, 1898, Leamon G. Souder patented an escalator. This was the first of the four escalator-style patents issued to Souder, including two for…
This Day in Patent History - On December 9, 1884, L. M. Richardson patented roller skates with ball bearings
On December 9, 1884, L. M. Richardson patented roller skates with ball bearings. This allowed skaters to gain speed with less efforts. This invention transformed…
This Day in Patent History - On December 13, 1892. Nikola Tesla patented system of electrical transmission of power
On December 13, 1892. Nikola Tesla patented system of electrical transmission of power. …
This Day in Patent History - On December 8, 1891, Samuel F. O'Reilly patented the first electric tattoo machine based on Thomas A. Edison’s autographic printing pen
On December 8, 1891, Samuel F. O’Reilly patented the first electric tattoo machine based on Thomas A. Edison’s autographic printing pen. He is known as…