On this day in 1937 the patent application for Electrical Stringed Musical Instrument was granted. U.S. Patent No. 2,089,171.
Patent of the Day: Electrical Stringed Musical Instrument (Electric Guitar)
August 10, 2015
|In Patent History
On this day in 1937 the patent application for Electrical Stringed Musical Instrument was granted. U.S. Patent No. 2,089,171.