Specimen identification apparatus and method
Herbert B. Baskin
U.S. Patent 3,158,840. November 1964

Rectangular to ridged waveguide transition having separate mode converting and impedance matching sections
Richard M. White
U.S. Patent 3,157,845. November 1964

Control system for use in control of loops with dead time
Otto J. M. Smith
U.S. Patent 3,141,982. July 1964

Traveling Wave Light Modulator
Ivan P. Kaminow, Rudolf Kompfner and William H. Louisell
U.S. Patent 3,133,198. May 1964

Logical and memory circuits utilizing tri-level signals
Herbert B. Baskin
U.S. Patent 3,129,340. April 1964