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Roger T. Hebert
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Peabody, MA, US
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last 30 patents
Information
Patent Grant
High intensity reflector lamp
Patent number
4,345,178
Issue date
Aug 17, 1982
GTE Products Corporation
John A. Pappas
F21 - LIGHTING
Information
Patent Grant
Flash assembly using elongated trigger bar
Patent number
4,156,890
Issue date
May 29, 1979
GTE Sylvania Incorporated
Roger T. Hebert
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Arc discharge flash lamp and shielded cold cathode therefor
Patent number
4,097,774
Issue date
Jun 27, 1978
GTE Sylvania Incorporated
Robert J. Cosco
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Incandescent lamp having two-part insulative base
Patent number
4,084,112
Issue date
Apr 11, 1978
GTE Sylvania Incorporated
Roger T. Hebert
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Lamp and lens retrofit assembly for overhead projector
Patent number
4,023,893
Issue date
May 17, 1977
GTE Sylvania Incorporated
Roger T. Hebert
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Soft glass flashtube
Patent number
4,001,624
Issue date
Jan 4, 1977
GTE Sylvania Incorporated
Robert J. Cosco
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Arc discharge lamp with integral trigger electrode
Patent number
3,993,922
Issue date
Nov 23, 1976
GTE Sylvania Incorporated
Robert J. Cosco
H01 - BASIC ELECTRIC ELEMENTS