John A. Pappas

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Winthrop, MA, US

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Patents Grantslast 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
Flashing light indicator structures
- Patent number 4,253,085
- Issue date Feb 24, 1981
- GTE Products Corporation
- Henry T. Hidler
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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
Deuterium arc lamp
- Patent number 4,016,445
- Issue date Apr 5, 1977
- GTE Sylvania Incorporated
- Robert L. Cassidy
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Three-electrode short duration flash tube
- Patent number 4,004,189
- Issue date Jan 18, 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