P

Inventor

SNELLGROVE RICHARD A

US6 patents
⚠️ This page may combine multiple inventors who share the name “SNELLGROVE RICHARD A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GTE PROD CORP

4 patents
US5111108AMay 5, 1992

Vapor discharge device with electron emissive material

GTE PROD CORP24 citations87
US5208509AMay 4, 1993

Arc tube for high pressure metal vapor discharge lamp

GTE PROD CORP9 citations72
US5188554AFeb 23, 1993

Method for isolating arc lamp lead-in from frit seal

GTE PROD CORP7 citations72
US5001396AMar 19, 1991

Arc tube and high pressure discharge lamp including same

GTE PROD CORP19 citations72

OSRAM SYLVANIA INC

1 patent
US6392346B1May 21, 2002

Chemical composition for mercury free metal halide lamp

OSRAM SYLVANIA INC11 citations71

GEN REFRACTORIES CO

1 patent
US4423026ADec 27, 1983

Densification of caustic magnesia and sintered periclase by acid doping

GEN REFRACTORIES CO4 citations60