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Tool attachment
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Patent number 9,149,872
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Issue date Oct 6, 2015
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Robert Bosch GmbH
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Dietmar Saur
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Quick change power tool chuck
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Patent number 8,851,812
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Issue date Oct 7, 2014
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John L. DeRosa
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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-
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Quick change power tool chuck
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Patent number 7,766,586
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Issue date Aug 3, 2010
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John L. DeRosa
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Quick change power tool chuck
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Patent number 6,880,832
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Issue date Apr 19, 2005
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John L. DeRosa
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Blade clamping system for a jigsaw
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Patent number 6,178,646
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Issue date Jan 30, 2001
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Porter-Cable Corporation
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John W. Schnell
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Chuck for power tools
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Patent number 5,096,212
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Issue date Mar 17, 1992
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Joseph P. Walsh
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Machine tool, especially a punch
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Patent number 4,646,604
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Issue date Mar 3, 1987
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Muhr und Bender
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Karl Schink
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Hinged tool holder
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Patent number 4,176,991
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Issue date Dec 4, 1979
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Henry O. Egli
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Secure tool gripping chuck
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Patent number 4,054,294
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Issue date Oct 18, 1977
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Royzell F. Wells
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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3802079
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Patent number 3,802,079
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Issue date Apr 9, 1974
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3633930
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Patent number 3,633,930
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Issue date Jan 11, 1972
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3495493
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Patent number 3,495,493
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Issue date Feb 17, 1970
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3216734
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Patent number 3,216,734
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Issue date Nov 9, 1965
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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3185492
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Patent number 3,185,492
-
Issue date May 25, 1965
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3107523
-
Patent number 3,107,523
-
Issue date Oct 22, 1963
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G01 - MEASURING TESTING
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3069190
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Patent number 3,069,190
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Issue date Dec 18, 1962
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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3032360
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Patent number 3,032,360
-
Issue date May 1, 1962
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E21 - EARTH DRILLING MINING
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2735685
-
Patent number 2,735,685
-
Issue date Feb 21, 1956
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2699211
-
Patent number 2,699,211
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Issue date Jan 11, 1955
-
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2697634
-
Patent number 2,697,634
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Issue date Dec 21, 1954
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2676809
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Patent number 2,676,809
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Issue date Apr 27, 1954
-
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2662345
-
Patent number 2,662,345
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Issue date Dec 15, 1953
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H01 - BASIC ELECTRIC ELEMENTS
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2611173
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Patent number 2,611,173
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Issue date Sep 23, 1952
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2609208
-
Patent number 2,609,208
-
Issue date Sep 2, 1952
-
G01 - MEASURING TESTING
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2603495
-
Patent number 2,603,495
-
Issue date Jul 15, 1952
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E03 - WATER SUPPLY SEWERAGE
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2600707
-
Patent number 2,600,707
-
Issue date Jun 17, 1952
-
E03 - WATER SUPPLY SEWERAGE
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2594503
-
Patent number 2,594,503
-
Issue date Apr 29, 1952
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...