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Convertible center drill
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Patent number 10,549,354
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Issue date Feb 4, 2020
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Andrew Lankin
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Broach apparatus
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Patent number 5,352,068
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Issue date Oct 4, 1994
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Utica Enterprises, Inc.
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Robert E. Roseliep
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3606563
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Patent number 3,606,563
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Issue date Sep 20, 1971
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3270590
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Patent number 3,270,590
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Issue date Sep 6, 1966
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3258997
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Patent number 3,258,997
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Issue date Jul 5, 1966
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2999404
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Patent number 2,999,404
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Issue date Sep 12, 1961
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2581258
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Patent number 2,581,258
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Issue date Jan 1, 1952
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2370286
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Patent number 2,370,286
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Issue date Feb 27, 1945
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1390731
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Patent number 1,390,731
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Issue date Sep 13, 1921
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR