wing nuts

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  • CPC
  • B21K1/708
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for manufacturing cold-forged wing nuts

    • Patent number 6,893,354
    • Issue date May 17, 2005
    • Wu Feng-Long
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of producing wing nuts

    • Patent number 5,060,331
    • Issue date Oct 29, 1991
    • Luchu Shinyee Works Co., Ltd.
    • Tsai-Fu Shie
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2812527

    • Patent number 2,812,527
    • Issue date Nov 12, 1957
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2714450

    • Patent number 2,714,450
    • Issue date Aug 2, 1955
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2614274

    • Patent number 2,614,274
    • Issue date Oct 21, 1952
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2099232

    • Patent number 2,099,232
    • Issue date Nov 16, 1937
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2068076

    • Patent number 2,068,076
    • Issue date Jan 19, 1937
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2068075

    • Patent number 2,068,075
    • Issue date Jan 19, 1937
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1981363

    • Patent number 1,981,363
    • Issue date Nov 20, 1934
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1399793

    • Patent number 1,399,793
    • Issue date Dec 13, 1921
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1395762

    • Patent number 1,395,762
    • Issue date Nov 1, 1921
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    948616

    • Patent number 948,616
    • Issue date Feb 8, 1910
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents