Inventor

CASTELLANA JOHN

US3 patents

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

GEN MOTORS CORP

2 patents

US6019076AFeb 1, 2000

Variable valve timing mechanism

GEN MOTORS CORP92 citations95

US5090364AFeb 25, 1992

Two-step valve operating mechanism

GEN MOTORS CORP96 citations94

DELPHI TECH INC

1 patent

US6595172B2Jul 22, 2003

Variable valve actuator assembly having a secondary actuator

DELPHI TECH INC17 citations82