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David H. Fox
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Beverly, MA, US
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last 30 patents
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Patent Grant
Basing cement containing silicon ether
Patent number
4,990,553
Issue date
Feb 5, 1991
GTE Products Corporation
John D. Curhan
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Patent Grant
Lamp with integral automatic light control circuit
Patent number
4,988,921
Issue date
Jan 29, 1991
GTE Products Corporation
Elizabeth L. Ratner
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Patent Grant
Incandescent lamp mount structure with shield for evaporation products
Patent number
4,604,546
Issue date
Aug 5, 1986
GTE Products Corporation
David H. Fox
H01 - BASIC ELECTRIC ELEMENTS