On February 19, 1878, Thomas Edison received a patent for the phonograph. The photo shows Thomas Edison with his patented phonograph.The device could mechanically record…
Tag: Thomas
This Day in Patent History - On January 27, 1880, Thomas A. Edison received a patent for"an electric lamp for giving light by incandescence"
On January 27, 1880, Thomas A. Edison received a patent for”an electric lamp for giving light by incandescence”. Edison famously summarized his quest for the…