P

Inventor

POWELL JOHN R

US14 patents
⚠️ This page may combine multiple inventors who share the name “POWELL JOHN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SPECTRADISC CORP

3 patents
US6434109B2Aug 13, 2002

Machine-readable optical disc with reading-inhibit agent

SPECTRADISC CORP109 citations96
US6011772AJan 4, 2000

Machine-readable optical disc with reading-inhibit agent

SPECTRADISC CORP253 citations96
US6343063B1Jan 29, 2002

Machine-readable optical disc with reading-inhibit agent

SPECTRADISC CORP78 citations94

BROWN FINTUBE CO

2 patents
US3948315AApr 6, 1976

Closure for heat exchanger

BROWN FINTUBE CO76 citations94
US4456058AJun 26, 1984

Heat exchanger tube support

BROWN FINTUBE CO31 citations91

LITTLE INC A

2 patents
US5453335ASep 26, 1995

Ion-conductive polymer and electrolyte additives

LITTLE INC A12 citations73
US5433876AJul 18, 1995

Ion-conductive polymer and electrolyte additives

LITTLE INC A11 citations73

GEN MOTORS CORP

2 patents
US4181268AJan 1, 1980

Drive and storage drum for an antenna cable

GEN MOTORS CORP12 citations72
US4236162ANov 25, 1980

Antenna actuator with a locating and reaction support surface for the cable storage drum

GEN MOTORS CORP6 citations61

PROCTER & GAMBLE

1 patent
US5077073ADec 31, 1991

Ethoxylated sugar and sugar alcohol esters useful as fat substitutes

PROCTER & GAMBLE37 citations89

GTE PROD CORP

1 patent
US4860435AAug 29, 1989

Calibration process for bimetallic circuit breakers

GTE PROD CORP12 citations73

FOSROC INTERNATIONAL LTD

1 patent
US5320424AJun 14, 1994

Apparatus for delivering a rapidly setting composition

FOSROC INTERNATIONAL LTD8 citations68

FLEXPLAY TECHNOLOGIES INC

1 patent
USRE42011EDec 28, 2010

Machine-readable optical disc with reading-inhibit agent

FLEXPLAY TECHNOLOGIES INC1 citations61

TIAX LLC

1 patent
US10024767B2Jul 17, 2018

Systems and methods for collection and sampling of chemical species

TIAX LLC0 citations33