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Richard A. Parrott
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Merrimack, NH, US
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last 30 patents
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Patent Grant
Metal halide lamp with getter
Patent number
5,731,662
Issue date
Mar 24, 1998
Osram Sylvania Inc.
Richard A. Parrott
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Metal halide lamp
Patent number
5,327,042
Issue date
Jul 5, 1994
Osram Sylvania Inc.
Simone P. Bazin
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of fabricating ultraviolet radiation starting source
Patent number
5,248,273
Issue date
Sep 28, 1993
GTE Products Corporation
Edward H. Nortrup
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Arc lamp assembly with containment means surrounding light source c...
Patent number
5,122,706
Issue date
Jun 16, 1992
GTE Products Corporation
Richard A. Parrott
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Discharge lamp with mount providing self centering and thermal expa...
Patent number
4,401,913
Issue date
Aug 30, 1983
GTE Products Corporation
Francis R. Koza
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High pressure sodium lamp containing barium getter
Patent number
4,333,032
Issue date
Jun 1, 1982
GTE Products Corporation
Elliot F. Wyner
H01 - BASIC ELECTRIC ELEMENTS