On December 22, 1891, a patent was granted for Toilet-paper roll. This 124-year-old patent solves the ‘over versus under’ toilet paper roll debate. According to…
Category: This Day in Patent History
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 20, 1960, Wilson Eugene R (Procter & Gamble) received a patent for detergent compositions.
On December 20, 1960, Wilson Eugene R (Procter & Gamble) received a patent for detergent compositions. The compositions contain additives which impart to these detergent…
This Day in Patent History - On December 19, 1871, Samuel L. Clemens (pen name Mark Twain) received a patent for an improvement in adjustable and detachable straps for garments.
On December 19, 1871, Samuel L. Clemens (pen name Mark Twain) received a patent for an improvement in adjustable and detachable straps for garments. This…
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.