Inventor

KARR GERALD S

US8 patents

⚠️ This page may combine multiple inventors who share the name “KARR GERALD S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SMITH ENGINEERING

5 patents

US4359222ANov 16, 1982

(unassigned)

2 patents

US5661470AAug 26, 1997

Object recognition system

206 citations97

US6760276B1Jul 6, 2004

Acoustic signaling system

40 citations91

CALIFORNIA R & D CENTER

1 patent

US4247107AJan 27, 1981

Electronically controlled roadrace system with sound generator

CALIFORNIA R & D CENTER63 citations96

KARR GERALD S

SMITH ENGINEERING

Hand-held electronic game playing device with replaceable cartridges

Circuitry for controlling a CRT beam

Digital watch having matrix display for arcade-like game playing