TDIH Archives - Page 12 of 20 - Patent Yogi LLC

This Day in Patent History - On December 21, 1839, S. Barnard patented a mode of constructing portable houses for emigrants

On December 21, 1839, S. Barnard patented a mode of constructing portable houses for emigrants. …

This Day in Patent History - On December 18, 1900, Cleophas Monjeau filed a patent for an apparatus for purifying water

On December 18, 1900, Cleophas Monjeau filed a patent for an apparatus for purifying water. The three-tiered filter was made up of vegetation on top,…

This Day in Patent History - On December 17, 1902, Pattillo Higgins filed a patent for a novel machine for drilling deep oil wells

On December 17, 1902, Pattillo Higgins filed a patent for a novel machine for drilling deep oil wells. Pattillo Higgins was a businessman as well…

This Day in Patent History - On December 16, 1914, Charles Francis Jenkins filed a patent for Gravity-railway device

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…

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…

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 …