Inventor · disambiguated record
Richard A. Snellgrove
Also filed as: SNELLGROVE RICHARD · SNELLGROVE RICHARD A
7 granted patents·83 citations·filing 1980–2002
85Inventor score
Top patents by PatentIndex Score
7 records- 0174US5001396AArc tube and high pressure discharge lamp including sameGTE PROD CORP·Filed 1989·Granted Mar 19, 1991·19 cites·20 claims
- 0270US6781318B2Par lamp with reduced lamp seal temperatureOSRAM SYLVANIA INC·Filed 2002·Granted Aug 24, 2004·9 cites·15 claims
- 0370US5111108AVapor discharge device with electron emissive materialGTE PROD CORP·Filed 1990·Granted May 5, 1992·24 cites·14 claims
- 0454US6392346B1Chemical composition for mercury free metal halide lampOSRAM SYLVANIA INC·Filed 1999·Granted May 21, 2002·11 cites·7 claims
- 0550US5188554AMethod for isolating arc lamp lead-in from frit sealGTE PROD CORP·Filed 1989·Granted Feb 23, 1993·7 cites·1 claims
- 0649US5208509AArc tube for high pressure metal vapor discharge lampGTE PROD CORP·Filed 1992·Granted May 4, 1993·9 cites·5 claims
- 0732US4423026ADensification of caustic magnesia and sintered periclase by acid dopingGEN REFRACTORIES CO·Filed 1980·Granted Dec 27, 1983·4 cites·13 claims
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