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John C. Ottman
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San Jose, CA, US
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last 30 patents
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Patent Grant
Fixed abrasive polishing media
Patent number
4,466,218
Issue date
Aug 21, 1984
International Business Machines Corporation
John C. Ottman
B24 - GRINDING POLISHING
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Patent Grant
Fixed abrasive polishing method and apparatus
Patent number
4,393,628
Issue date
Jul 19, 1983
International Business Machines Corporation
John C. Ottman
B24 - GRINDING POLISHING