Rauser 1931
Albert Rauser and Wilhelm Steuer, of Kottbuser-Ufer 39/40, Berlin, S.O. 26 "Improvements in Electrostatic Loud-speakers".

Rauser 1931

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Filed: June 1, 1931
G.B. Patent 370,248
Granted: April 7, 1932

Albert Rauser and Wilhelm Steuer, of Kottbuser-Ufer 39/40, Berlin, S.O. 26
"Improvements in Electrostatic Loud-speakers".

Referenced by Walker and Williamson in U.S. Pat. 3,008,014