P

Inventor

PRATT RICHARD J

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

PRATT RICHARD J

4 patents
USD284487SJul 1, 1986

Aural/visual signalling instrument

PRATT RICHARD J26 citations89
US4913940AApr 3, 1990

Whirling banner or kerchief

PRATT RICHARD J10 citations71
USD410690SJun 8, 1999

Rattle head cap

PRATT RICHARD J13 citations68
USD423881SMay 2, 2000

Portable cooler

PRATT RICHARD J4 citations60

ENGELHARD CORP

1 patent
US4738726AApr 19, 1988

Treatment of clays with cationic polymers to prepare high bulking pigments

ENGELHARD CORP69 citations94

ATLANTIC RICHFIELD CO

1 patent
US3941808AMar 2, 1976

Product

ATLANTIC RICHFIELD CO18 citations71

SG II INC

1 patent
US4806396AFeb 21, 1989

Pompon prize device

SG II INC17 citations68