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Harold W. Stillman Jr.

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  • Clarendon Hills, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Metal ladder and method of fabricating the same
    • Patent number 4,261,436
    • Issue date Apr 14, 1981
    • Sears, Roebuck and Co.
    • Harold W. Stillman
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Method of fabricating metal ladder
    • Patent number 4,205,426
    • Issue date Jun 3, 1980
    • Sears, Roebuck and Co.
    • Harold W. Stillman
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...