On December 26, 1933, Edwin Armstrong was granted a patent for a two-path FM radio. He has been called “the most prolific and influential inventor…
Tag: ThisDayInHistory
This Day in Patent History - On December 25, 2007, a patent was granted for this Christmas ornament that displays a string of Christmas lights on a spinning upper hub
On December 25, 2007, a patent was granted for this Christmas ornament that displays a string of Christmas lights on a spinning upper hub. …
This Day in Patent History - On December 24, 1928, Gulbransen Company was granted a patent for a piano
This Day in Patent History – On December 24, 1928, Gulbransen Company was granted a patent for a piano. Gulbransen is notable for several innovations…
This Day in Patent History - On December 23, 1879, Thomas Edison patented Magneto-Electric Machine
On December 23, 1879, Thomas Edison patented Magneto-Electric Machine. The invention helps increase the effectiveness of the revolving armature. …
This Day in Patent History - On December 22, 1891, a patent was granted for Toilet-paper roll
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…
Nikola Tesla Patent #11 – Electro Magnetic Motor – US 382279
Patent Information Publication number: US382279 A Patent Title: Electro…
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. …
Sunday Funday – Feces Scale
Patent Information Publication number: US1493222 A Patent Title: Feces…
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…