Gibson & Rickenbacker patents in the 30:s
Posted: Tue Sep 07, 2010 11:12 pm
Gibson patent (Loar) 1935: http://www.freepatentsonline.com/2025875.pdf
Rickenbacker patent (Beauchamp) 1936: http://www.freepatentsonline.com/2152783.pdf
Gibson patent (Hart) 1937: http://www.freepatentsonline.com/2087106.pdf
Rickenbacker patent (Beauchamp) 1937 (1931!): http://www.freepatentsonline.com/2089171.pdf
Rickenbacker patent (Beauchamp) 1936: http://www.freepatentsonline.com/2152783.pdf
Gibson patent (Hart) 1937: http://www.freepatentsonline.com/2087106.pdf
Rickenbacker patent (Beauchamp) 1937 (1931!): http://www.freepatentsonline.com/2089171.pdf