Inventor

LEWIS RICHARD G

6 patents

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

SCHLUMBERGER TECHNOLOGY CORP

1 patent

US4979569ADec 25, 1990

Dual action valve including at least two pressure responsive members

SCHLUMBERGER TECHNOLOGY CORP44 citations88

LEWIS RICHARD G

1 patent

US5215285AJun 1, 1993

Display card holder

LEWIS RICHARD G23 citations86

PARROTT ELY AND HURT CONSULTIN

1 patent

US4659252AApr 21, 1987

RCC dam construction and method

PARROTT ELY AND HURT CONSULTIN32 citations80

(unassigned)

1 patent

US5769534AJun 23, 1998

Illuminated display sign apparatus

14 citations70

CIS CORP

1 patent

USD381695SJul 29, 1997

Display card holder

CIS CORP8 citations66

JOHNSON CONTROLS GMBH

1 patent

US9457765B2Oct 4, 2016

Vehicle seat with a belt buckle

JOHNSON CONTROLS GMBH2 citations55