Inventor
SPATH MARK JAMES
US7 patents
⚠️ This page may combine multiple inventors who share the name “SPATH MARK JAMES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GEN MOTORS CORP
4 patentsUS5934232AAug 10, 1999
Engine valve lift mechanism
GEN MOTORS CORP77 citations94
US5709180AJan 20, 1998
Narrow cam two-step lifter
GEN MOTORS CORP56 citations94
US6039018AMar 21, 2000
Hydraulic lash adjuster with plunger inner control ring
GEN MOTORS CORP7 citations72
US6021751AFeb 8, 2000
Hydraulic valve lifter with lash
GEN MOTORS CORP11 citations72