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Machines for making shank stiffeners

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  • CPC
  • A43D31/02
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Parent Industries

AHUMAN NECESSITIES A43Footwear A43DMACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR A43D31/00Machines for making or inserting shank stiffeners

Current Industry

A43D31/02Machines for making shank stiffeners
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Techniques for stiffening shoe insoles
    • Patent number 4,520,522
    • Issue date Jun 4, 1985
    • Bush Universal, Inc.
    • Jules N. Allard
    • A43 - FOOTWEAR
  • Information Patent Grant

    Techniques for stiffening shoe insoles
    • Patent number 4,430,767
    • Issue date Feb 14, 1984
    • Bush Universal, Inc.
    • Jules N. Allard
    • A43 - FOOTWEAR
  • Information Patent Grant

    Techniques for stripping a sleeve from resin impregnated fibrous ro...
    • Patent number 4,403,361
    • Issue date Sep 13, 1983
    • Bush Universal, Inc.
    • Raymond M. Bowler
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    2980932
    • Patent number 2,980,932
    • Issue date Apr 25, 1961
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2866229
    • Patent number 2,866,229
    • Issue date Dec 30, 1958
    • A43 - FOOTWEAR
  • Information Patent Grant

    2541761
    • Patent number 2,541,761
    • Issue date Feb 13, 1951
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2518189
    • Patent number 2,518,189
    • Issue date Aug 8, 1950
    • A43 - FOOTWEAR
  • Information Patent Grant

    2060790
    • Patent number 2,060,790
    • Issue date Nov 17, 1936
    • A43 - FOOTWEAR
  • Information Patent Grant

    2027716
    • Patent number 2,027,716
    • Issue date Jan 14, 1936
    • A43 - FOOTWEAR
  • Information Patent Grant

    1764064
    • Patent number 1,764,064
    • Issue date Jun 17, 1930
    • A43 - FOOTWEAR
  • Information Patent Grant

    1580278
    • Patent number 1,580,278
    • Issue date Apr 13, 1926
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1327091
    • Patent number 1,327,091
    • Issue date Jan 6, 1920
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL