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Hobbing apparatus with orbiting hob
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Patent number 4,360,296
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Issue date Nov 23, 1982
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Barber-Colman Company
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George E. Fransson
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Gear generating machine
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Patent number 4,318,648
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Issue date Mar 9, 1982
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The Gleason Works
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Thomas A. Deprez
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3865010
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Patent number 3,865,010
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Issue date Feb 11, 1975
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3768365
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Patent number 3,768,365
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Issue date Oct 30, 1973
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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3533326
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Patent number 3,533,326
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Issue date Oct 13, 1970
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3180228
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Patent number 3,180,228
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Issue date Apr 27, 1965
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3032933
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Patent number 3,032,933
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Issue date May 8, 1962
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2684016
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Patent number 2,684,016
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Issue date Jul 20, 1954
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2390607
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Patent number 2,390,607
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Issue date Dec 11, 1945
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2154056
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Patent number 2,154,056
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Issue date Apr 11, 1939
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2122219
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Patent number 2,122,219
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Issue date Jun 28, 1938
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2119295
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Patent number 2,119,295
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Issue date May 31, 1938
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1905310
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Patent number 1,905,310
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Issue date Apr 25, 1933
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1444247
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Patent number 1,444,247
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Issue date Feb 6, 1923
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1344299
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Patent number 1,344,299
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Issue date Jun 22, 1920
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1221303
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Patent number 1,221,303
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Issue date Apr 3, 1917
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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717167
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Patent number 717,167
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Issue date Dec 30, 1902
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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575393
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Patent number 575,393
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Issue date Jan 19, 1897
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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305231
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Patent number 305,231
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Issue date Sep 16, 1884
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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305233
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Patent number 305,233
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Issue date Sep 16, 1884
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR