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Reusable castings molds
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Patent number 10,471,669
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Issue date Nov 12, 2019
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Novartis AG
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Alice Weimin Liu
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Reusable castings molds
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Patent number 10,022,925
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Issue date Jul 17, 2018
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Novartis AG
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Alice Weimin Liu
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Two-flute twist drill
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Patent number 7,516,686
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Issue date Apr 14, 2009
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TG Tools United Company
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Yuhong Wang
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Drilling device
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Patent number 7,347,651
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Issue date Mar 25, 2008
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Airbus Deutschland
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Wolfgang Hintze
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Hole-cutting saw
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Patent number 7,237,984
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Issue date Jul 3, 2007
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Thomas G. Guzda
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Glass drill bit
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Patent number 7,204,664
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Issue date Apr 17, 2007
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Maui Jim, Inc.
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Eiichi Nakanishi
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Anchor bolt drilling tool
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Patent number 6,213,859
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Issue date Apr 10, 2001
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David Yekutiely
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Flat diamond drill
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Patent number 5,653,627
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Issue date Aug 5, 1997
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Central Glass Company Limited
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Mizuki Nishi
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B28 - WORKING CEMENT, CLAY, OR STONE
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Glass drilling machine
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Patent number 4,955,763
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Issue date Sep 11, 1990
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Toledo Automated Concepts, Inc.
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Kent A. Delventhal
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B28 - WORKING CEMENT, CLAY, OR STONE
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Method for milling and drilling glass
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Patent number 4,383,785
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Issue date May 17, 1983
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The United States of America as represented by the administrator of the Natio...
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Stephen H. Rice
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3813820
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Patent number 3,813,820
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Issue date Jun 4, 1974
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B28 - WORKING CEMENT, CLAY, OR STONE
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2906256
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Patent number 2,906,256
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Issue date Sep 29, 1959
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B28 - WORKING CEMENT, CLAY, OR STONE
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1927865
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Patent number 1,927,865
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Issue date Sep 26, 1933
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B28 - WORKING CEMENT, CLAY, OR STONE
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240022
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Patent number 240,022
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Issue date Apr 12, 1881
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR