Inventor

NISPER KENNETH J

5 patents

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

QUESTOR CORP

2 patents

US4099730AJul 11, 1978

Piston ring construction

QUESTOR CORP20 citations78

US4130288ADec 19, 1978

Piston ring

QUESTOR CORP3 citations59

MUSKEGON PISTON RING CO INC

2 patents

US4268046AMay 19, 1981

Multiple seal stationary sealing ring

MUSKEGON PISTON RING CO INC20 citations77

US4226430AOct 7, 1980

Two-piece oil control ring

MUSKEGON PISTON RING CO INC4 citations57

MUSKEGON PISTON RING

1 patent

US4194747AMar 25, 1980

Three-piece oil control ring

MUSKEGON PISTON RING21 citations77