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Portable precision drill
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Patent number 5,755,537
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Issue date May 26, 1998
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Johannes Lubbering AG
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Johannes Lubbering
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Microcomputer controlled power tool
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Patent number 4,317,176
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Issue date Feb 23, 1982
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Black & Decker Inc.
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David A. Saar
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Hydraulic drill unit
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Patent number 4,157,231
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Issue date Jun 5, 1979
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The United States of America as represented by the Secretary of the Air Force
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Joseph L. Phillips
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G05 - CONTROLLING REGULATING
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Automatic machining system
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Patent number 4,118,660
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Issue date Oct 3, 1978
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Nippon Electric Company Ltd.
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Nobuo Ohtsuki
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3689166
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Patent number 3,689,166
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Issue date Sep 5, 1972
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3640632
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Patent number 3,640,632
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Issue date Feb 8, 1972
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3552236
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Patent number 3,552,236
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Issue date Jan 5, 1971
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3475997
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Patent number 3,475,997
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Issue date Nov 4, 1969
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G05 - CONTROLLING REGULATING
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3343053
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Patent number 3,343,053
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Issue date Sep 19, 1967
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G05 - CONTROLLING REGULATING
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3327101
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Patent number 3,327,101
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Issue date Jun 20, 1967
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G05 - CONTROLLING REGULATING
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3293423
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Patent number 3,293,423
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Issue date Dec 20, 1966
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G05 - CONTROLLING REGULATING
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3209222
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Patent number 3,209,222
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Issue date Sep 28, 1965
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G05 - CONTROLLING REGULATING
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3173204
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Patent number 3,173,204
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Issue date Mar 16, 1965
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3173115
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Patent number 3,173,115
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Issue date Mar 9, 1965
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G05 - CONTROLLING REGULATING
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3021464
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Patent number 3,021,464
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Issue date Feb 13, 1962
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G05 - CONTROLLING REGULATING
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2901927
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Patent number 2,901,927
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Issue date Sep 1, 1959
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2820187
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Issue date Jan 14, 1958
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G05 - CONTROLLING REGULATING