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Narsingh B. Singh
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Murrysville, PA, US
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last 30 patents
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Patent Grant
Modified gallium selenide crystals for high power nonlinear optical...
Patent number
5,980,789
Issue date
Nov 9, 1999
The United States of America as represented by the Secretary of the Air Force
Nils C. Fernelius
C30 - CRYSTAL GROWTH
Information
Patent Grant
Crystals for ultraviolet light filters
Patent number
5,837,054
Issue date
Nov 17, 1998
Northrop Grumman Corporation
Narsingh B. Singh
C30 - CRYSTAL GROWTH
Information
Patent Grant
Crystals for ultraviolet light filters
Patent number
5,788,765
Issue date
Aug 4, 1998
Northrop Grumman Corporation
Narsingh B. Singh
C30 - CRYSTAL GROWTH
Information
Patent Grant
Crystals for ultraviolet light filters
Patent number
5,742,428
Issue date
Apr 21, 1998
Northrop Grumman Corporation
Narsingh B. Singh
G02 - OPTICS
Information
Patent Grant
Thallium arsenic sulfide crystals (t1.sub.3 AsS.sub.3) high efficie...
Patent number
5,563,730
Issue date
Oct 8, 1996
Northrop Grumman Corporation
Narsingh B. Singh
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Solid solution crystals of Tl.sub.3 AsSe.sub.3 and Tl.sub.3 AsS.sub...
Patent number
5,510,929
Issue date
Apr 23, 1996
Westinghouse Electric Corporation
Narsingh B. Singh
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Acousto-optic devices utilizing thallium arsenic sulfide (T1AsS.sub...
Patent number
5,504,615
Issue date
Apr 2, 1996
Westinghouse Electric Corporation
Narsingh B. Singh
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Chalcogenide glass, associated method and apparatus
Patent number
5,077,239
Issue date
Dec 31, 1991
Westinghouse Electric Corp.
Narsingh B. Singh
G02 - OPTICS
Information
Patent Grant
Precious metal doped crystals for hardening of the crystals
Patent number
4,955,699
Issue date
Sep 11, 1990
Westinghouse Electric Corp.
Narsingh B. Singh
C30 - CRYSTAL GROWTH