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Inventor

GRIFFIN ROBERT M

US10 patents
⚠️ This page may combine multiple inventors who share the name “GRIFFIN ROBERT M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GTE PROD CORP

6 patents
US5254902AOct 19, 1993

Filament support for tubular lamp capsule

GTE PROD CORP12 citations73
US5209689AMay 11, 1993

Methods for mounting filaments in tubular incandescent lamp capsules

GTE PROD CORP8 citations73
US4687963AAug 18, 1987

Tungsten-halogen electric lamp with permeable means closing an outer envelope

GTE PROD CORP14 citations73
US4550270AOct 29, 1985

Tungsten halogen lamp having a fine-wire filament and a hydrogen-impervious envelope

GTE PROD CORP4 citations62
US4451760AMay 29, 1984

Long life incandescent tungsten-halogen lamp

GTE PROD CORP5 citations62
US4857804AAug 15, 1989

Tungsten-halogen lamp with metal additive

GTE PROD CORP4 citations61

GTE SYLVANIA INC

2 patents
US4119832AOct 10, 1978

Hermetically sealed electrical gas fuel igniter

GTE SYLVANIA INC12 citations71
US4103277AJul 25, 1978

Ceramic enveloped electrical heating element

GTE SYLVANIA INC15 citations70

OSRAM SYLVANIA INC

1 patent
US5473226ADec 5, 1995

Incandescent lamp having hardglass envelope with internal barrier layer

OSRAM SYLVANIA INC25 citations90

GRIFFIN ROBERT M

1 patent
US4195697AApr 1, 1980

Shovel coupling with angle of attack adjustment

GRIFFIN ROBERT M29 citations77