P

Inventor

SPENCER WILLIAM H

US7 patents
⚠️ This page may combine multiple inventors who share the name “SPENCER WILLIAM H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BELL & HOWELL CO

4 patents
US3967188AJun 29, 1976

Temperature compensation circuit for sensor of physical variables such as temperature and pressure

BELL & HOWELL CO44 citations90
US4354118AOct 12, 1982

Battery backup supply control means and method

BELL & HOWELL CO27 citations80
US4483530ANov 20, 1984

Document processing systems

BELL & HOWELL CO23 citations76
US4514799AApr 30, 1985

Bus system architecture and microprocessor system

BELL & HOWELL CO10 citations65

TREND CEILINGS SYSTEMS CO

1 patent
US4043689AAug 23, 1977

Modular ceiling system

TREND CEILINGS SYSTEMS CO53 citations88

TRANSTECHNOLOGY CORP

1 patent
US4805894AFeb 21, 1989

Stacking methods and apparatus

TRANSTECHNOLOGY CORP7 citations70

TREND CEILING SYSTEMS CO

1 patent
US3949533AApr 13, 1976

Modular ceiling system

TREND CEILING SYSTEMS CO2 citations55