Patents - 1956

Method of making P-N junction semiconductor units
Albert C. English and John B. Seabrook
U.S. Patent 2,765,245. October 1956

Rectifier cell mounting
Paul J. Colleran, Albert C. English and Francis P. Mulski
U.S. Patent 2,756,374. July 1956

Phase meter
John R. Ragazzini and Lotfi A. Zadeh
U.S. Patent 2,749,516. June 1956

Precision calibrated phase shifter
John R. Ragazzini and Lotfi A. Zadeh
U.S. Patent 2,749,502. June 1956

Backward-wave oscillator mixer
John Roy Whinnery
U.S. Patent 2,748,268. May 1956

Sine wave generator
Otto J. M. Smith
U.S. Patent 2,748,278. May 1956