Inventor

MARSHALL WILLIAM W

US3 patents

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

SPRING VALLEY ASSOCIATES INC

1 patent

US4841404AJun 20, 1989

Pump and electric motor protector

SPRING VALLEY ASSOCIATES INC120 citations92

MCWHORTOR WILLIAM F

1 patent

US4817176AMar 28, 1989

Method and apparatus for pattern recognition

MCWHORTOR WILLIAM F244 citations92

COULTER SYSTEMS CORP

1 patent

US4424589AJan 3, 1984

Flat bed scanner system and method

COULTER SYSTEMS CORP80 citations92