[Irving N. Llamas Covarrubias]
Main points
Inventor, Engineer (c. 1856–1943)
Serbian-American
Go US 1884
Briefly worked with Thomas Edison
Patents rights
Died New York City, January 7, 1943
Popular 80's
35 kilohertz
Used as curiosity and educational purposes
By Irving Norehem Llamas Covarrubias