Critical Features disclosed in this patent 1. Related to the patents of Tesla and Charles F. Peck, numbers: US381968 and US382280; 2. Ordinary forms of…
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…
On January 24, 1871 Charles Goodyear, Jr. patented the Goodyear Welt, a machine for sewing boots and shoes. Welted shoes have more strength, durability and…
Patent Information Publication number: US821393 A Patent Title: Flying-machine Publication type: Grant Publication date: May 22, 1906 Filing date: Mar 23, 1903 Priority date:…
Patent Information Publication number: US200521 A Patent Title: Improvement in phonograph or speaking machines Publication type: Grant Publication date: Feb 19, 1878 Filing date:…
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…
