handles or parts therefor

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  • CPC
  • B21K5/18
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for manufacturing operation rod of wrench assembly for disas...

    • Patent number 11,628,488
    • Issue date Apr 18, 2023
    • CHIUANYOU METAL CO., LTD.
    • Chin-Chung Chang
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3877147

    • Patent number 3,877,147
    • Issue date Apr 15, 1975
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3872708

    • Patent number 3,872,708
    • Issue date Mar 25, 1975
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3817077

    • Patent number 3,817,077
    • Issue date Jun 18, 1974
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    2057440

    • Patent number 2,057,440
    • Issue date Oct 13, 1936
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents