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Narayan C. Saha
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Lake Villa, IL, US
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last 30 patents
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Patent Grant
Apparatus for upgrade or repair of in-service pipelines
Patent number
5,577,528
Issue date
Nov 26, 1996
Southern California Gas Company
Narayan C. Saha
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Hot tap cutter for plastic pipe
Patent number
5,257,644
Issue date
Nov 2, 1993
Institute of Gas Technology
Narayan C. Saha
B26 - HAND CUTTING TOOLS CUTTING SEVERING
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Patent Grant
Electrode for an electric discharge machining apparatus
Patent number
5,146,061
Issue date
Sep 8, 1992
Institute of Gas Technology
James E. Huebler
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Reelable flow stopper for plugging fluid flow within a pipe
Patent number
4,830,041
Issue date
May 16, 1989
Institute of Gas Technology
Dennis L. Sadowski
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...