Wilkins 1954
Charles A. Wilkins and Herbert Sullivan, New York "Feed Back Amplifiers" Filed: May 19, 1954 U.S. Patent 2,843,671 Granted: July 15, 1958

Wilkins 1954/59

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Filed: May 19, 1954
U.S. Patent 2,843,671
Granted: July 15, 1958

Charles A. Wilkins and Herbert Sullivan, New York
"Feed Back Amplifiers"

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