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John N. Walsh
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Pleasanton, CA, US
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last 30 patents
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Patent Grant
Automated rigid-disk finishing system providing in-line process con...
Patent number
5,099,615
Issue date
Mar 31, 1992
Exclusive Design Company, Inc.
Frank D. Ruble
B24 - GRINDING POLISHING
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Patent Grant
Automated rigid-disk finishing system providing in-line process con...
Patent number
5,088,240
Issue date
Feb 18, 1992
Exclusive Design Company, Inc.
Frank D. Ruble
B24 - GRINDING POLISHING