Inventor

MCDONALD DAVID B

US5 patents

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

GEN MOTORS CORP

2 patents

US4513771AApr 30, 1985

Air valve

GEN MOTORS CORP28 citations91

US4683913AAug 4, 1987

Rotary air valve seal arrangement

GEN MOTORS CORP23 citations80

DUBEY ASHISH

1 patent

US8618445B2Dec 31, 2013

Heating system

DUBEY ASHISH16 citations91

UNITED STATES GYPSUM CO

1 patent

US7861955B2Jan 4, 2011

Wet-grinding gypsum with polycarboxylates

UNITED STATES GYPSUM CO16 citations78

LUMINYS SYSTEMS CORP

1 patent

US7948184B2May 24, 2011

Vehicle testing lamp apparatus, system, and method

LUMINYS SYSTEMS CORP0 citations33