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Finishing method and apparatus
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Issue date Mar 15, 1988
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The Grav-i-Flo Corporation
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Richard L. Davidson
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B24 - GRINDING POLISHING
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3623278
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Patent number 3,623,278
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Issue date Nov 30, 1971
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B24 - GRINDING POLISHING
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3570183
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B24 - GRINDING POLISHING
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2897633
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Issue date Aug 4, 1959
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B24 - GRINDING POLISHING
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2806334
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B24 - GRINDING POLISHING
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2803093
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Issue date Aug 20, 1957
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B24 - GRINDING POLISHING
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2664676
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Patent number 2,664,676
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C07 - ORGANIC CHEMISTRY
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2494733
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B24 - GRINDING POLISHING
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2218353
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B24 - GRINDING POLISHING
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2181547
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Patent number 2,181,547
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B24 - GRINDING POLISHING