Inventor

GNIEWEK STEPHEN A

4 patents

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

BECKMAN INSTRUMENTS INC

2 patents

US4382808AMay 10, 1983

Assembly for holding a filter

BECKMAN INSTRUMENTS INC73 citations91

US4335073AJun 15, 1982

NOx Conversion efficiency detector

BECKMAN INSTRUMENTS INC18 citations66

CLAYTON MANUFACTURING CO

1 patent

US4395679AJul 26, 1983

Single sensor engine analyzer with noise rejection and automatic triggering circuit

CLAYTON MANUFACTURING CO2 citations55

CLAYTON MANUFACTURING

1 patent

US4170131AOct 9, 1979

Single sensor engine analyzer with noise rejection and automatic triggering circuit

CLAYTON MANUFACTURING6 citations54