Miniature differential circuit breaker
Charles F. Dalziel
U.S. Patent 3,213,321. October 1965

High frequency energy apparatus with interleaved ladder line slots
Charles K. Birdsall and Richard W. Grow
U.S. Patent 3,202,867. August 1965

Pattern recognition preprocessing techniques
Herbert B. Baskin
U.S. Patent 3,196,398. July 1965

Apparatus for measuring flow using magnetic resonance
Jerome R. Singer
U.S. Patent 3,191,119. June 1965