Thomas Edison filed 1,093 patents, including those for the light bulb, electric railways and the movie camera. When he died in 1931, he held 34 patents for the telephone, 141 for batteries, 150 for the telegraph and 389 patents for electric light and power.
One hour before Alexander Graham Bell registered his patent for the telephone in 1876, Elisha Gray patented his design. After years of litigation, the patent went to Bell.
Labels: FACTS ABOUT PEOPLE, INVENTIONS
Subscribe to:
Post Comments (Atom)
0 comments:
Post a Comment