Inventor

MCCULLOUGH ROBERT E

3 patents

Patents

3 patents

US3974637AAug 17, 1976

Light emitting diode wristwatch with angular display

TIME COMPUTER178 citations94

US4060971ADec 6, 1977

Solid state watch with inertial switch

TIME COMPUTER9 citations70

US4051662AOct 4, 1977

Solid state watch with inertial switch

TIME COMPUTER11 citations70