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Inventor
GIAMPA ROLLAND D
US
3 patents
Patents
3 patents
US6763797B1
Jul 20, 2004
Engine oil system with variable displacement pump
GEN MOTORS CORP
82 citations
96
US4798306A
Jan 17, 1989
Fuel tank venting
GEN MOTORS CORP
29 citations
89
US4774913A
Oct 4, 1988
Variable valve lift/timing mechanism
GEN MOTORS CORP
4 citations
56