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Glenn Albert Shaffer
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Towanda, PA, US
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last 30 patents
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Patent Grant
Flexible bilayered sheet, one layer of which contains abrasive part...
Patent number
4,228,214
Issue date
Oct 14, 1980
GTE Products Corporation
James Q. Steigelman
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Cemented carbide employing a refractory metal binder and process fo...
Patent number
3,964,878
Issue date
Jun 22, 1976
GTE Sylvania Incorporated
William Scheithauer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...