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Barrel polishing apparatus
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Patent number 12,053,852
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Issue date Aug 6, 2024
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Sintokogio, Ltd.
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Shigeru Tanahashi
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B24 - GRINDING POLISHING
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Horizontal finishing machine
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Patent number 6,733,375
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Issue date May 11, 2004
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Mikronite Technologies Group Inc.
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Steve E. Hoffman
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Barrel-finishing apparatus
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Patent number 4,308,693
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Issue date Jan 5, 1982
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Harper Buffing Machine Co.
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John F. Harper
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B24 - GRINDING POLISHING
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Centrifugal drum apparatus
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Patent number 4,242,838
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Issue date Jan 6, 1981
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Dr. Ing. Manfrid Dreher GmbH & Co. K.G.
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Manfrid Dreher
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B24 - GRINDING POLISHING
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Finishing machine
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Patent number 4,172,339
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Issue date Oct 30, 1979
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Roto-Finish Company, Inc.
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Gunther W. Balz
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B24 - GRINDING POLISHING
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Manufacture of solid metal spherical articles
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Patent number 3,965,549
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Issue date Jun 29, 1976
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Imperial Metal Industries (Kynoch) Limited
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William Melville
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3855740
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Patent number 3,855,740
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Issue date Dec 24, 1974
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B24 - GRINDING POLISHING
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3823512
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Patent number 3,823,512
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Issue date Jul 16, 1974
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B24 - GRINDING POLISHING
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3562962
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Patent number 3,562,962
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Issue date Feb 16, 1971
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B24 - GRINDING POLISHING
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3524735
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Patent number 3,524,735
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Issue date Aug 18, 1970
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B24 - GRINDING POLISHING
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3513604
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Patent number 3,513,604
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Issue date May 26, 1970
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B24 - GRINDING POLISHING
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3503157
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Patent number 3,503,157
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Issue date Mar 31, 1970
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B24 - GRINDING POLISHING