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Multiple stage shaving die
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Patent number 5,105,697
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Issue date Apr 21, 1992
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Siegfried F. Gruber
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Shaping die
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Patent number 4,970,923
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Issue date Nov 20, 1990
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Siegfried F. Gruber
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Press for manufacturing helical gears
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Patent number 4,770,572
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Issue date Sep 13, 1988
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Amino Iron Works Co., Ltd.
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Kiyoyasu Ohkawa
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Pot broach
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Patent number 4,518,289
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Issue date May 21, 1985
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Lear Siegler, Inc.
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Leonard A. Gabriele
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Method of shaping a helical gear
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Patent number 4,514,119
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Issue date Apr 30, 1985
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Mitsubishi Jukogyo Kabushiki Kaisha
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Masatoshi Izumo
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Gear shaping machine
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Patent number 4,487,535
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Issue date Dec 11, 1984
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Barber-Colman Company
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Stuart J. Johnson
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3803977
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Patent number 3,803,977
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Issue date Apr 16, 1974
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3459103
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Patent number 3,459,103
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Issue date Aug 5, 1969
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3012480
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Patent number 3,012,480
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Issue date Dec 12, 1961
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2674924
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Patent number 2,674,924
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Issue date Apr 13, 1954
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2374901
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Patent number 2,374,901
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Issue date May 1, 1945
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2346867
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Patent number 2,346,867
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Issue date Apr 18, 1944
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2282193
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Patent number 2,282,193
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Issue date May 5, 1942
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2035434
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Patent number 2,035,434
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Issue date Mar 24, 1936
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1953969
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Patent number 1,953,969
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Issue date Apr 10, 1934
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1506095
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Patent number 1,506,095
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Issue date Aug 26, 1924
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1493131
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Patent number 1,493,131
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Issue date May 6, 1924
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR