P

Inventor

CLARK JOHN A

GB13 patents
⚠️ This page may combine multiple inventors who share the name “CLARK JOHN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

STEELCASE DEV CORP

3 patents
USD587033SFeb 24, 2009

Cabinet

STEELCASE DEV CORP20 citations92
USD568631SMay 13, 2008

Cabinet

STEELCASE DEV CORP29 citations92
USD587034SFeb 24, 2009

Cabinet

STEELCASE DEV CORP4 citations62

CIBA GEIGY AG

3 patents
US4816360AMar 28, 1989

Multicolor holograms using gelatin as the binder and method for producing the same

CIBA GEIGY AG9 citations72
US4720441AJan 19, 1988

Method of preparing a hologram

CIBA GEIGY AG7 citations70
US4748097AMay 31, 1988

Method of preparing a hologram

CIBA GEIGY AG1 citations49

EXXONMOBIL CHEMICAL PATENTS INC

2 patents
US10479845B2Nov 19, 2019

Process for preparing a halogenated elastomer with improved Mooney viscosity stability

EXXONMOBIL CHEMICAL PATENTS INC2 citations64
US10781295B2Sep 22, 2020

Mooney viscosity stable brominated elastomers

EXXONMOBIL CHEMICAL PATENTS INC0 citations44

HALLIBURTON CO

1 patent
US5097902AMar 24, 1992

Progressive cavity pump for downhole inflatable packer

HALLIBURTON CO54 citations95

PHILIPS CORP

1 patent
US4683398AJul 28, 1987

Projection television display tube and device having interference filter

PHILIPS CORP33 citations92

US HEALTH EDUCATION & WELFARE

1 patent
US4112952ASep 12, 1978

Electrode for artificial pacemaker

US HEALTH EDUCATION & WELFARE122 citations91

CLARK JOHN A

1 patent
US7278336B2Oct 9, 2007

Adjustable shift lever assembly

CLARK JOHN A5 citations56

NORANDAL USA INC

1 patent
US4831745AMay 23, 1989

Reducing residual moisture on caster rolls

NORANDAL USA INC3 citations50