Shorter 1940 G.B.
Donovan Ernest Lea Shorter "Improvements in Electrostatic Loudspeakers" Filed: February 21, 1940 G.B. Patent 537,931 Granted: July 14, 1941

Shorter 1940

 

See also, Shorter BBC Report, 1958

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Filed: February 21, 1940

G.B. Patent 537,931
Granted: July 14, 1941

Donovan Ernest Lea Shorter
"Improvements in Electrostatic Loudspeakers"

Referenced by Walker U.S. Pats. 3,773,984.