TREA

Dewey O. Broberg Jr.

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  • Long Grove, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Device for forming closable wire spring snaps
    • Patent number 4,423,757
    • Issue date Jan 3, 1984
    • Du-Bro Products, Inc.
    • Dewey O. Broberg
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Device for forming eyes and loops in wire
    • Patent number 4,421,145
    • Issue date Dec 20, 1983
    • Du-Bro Products, Inc.
    • Dewey O. Broberg
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Wire straightener tool
    • Patent number 4,412,565
    • Issue date Nov 1, 1983
    • Du-Bro Products, Inc.
    • Dewey O. Broberg
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Propeller spinner for model airplanes or the like
    • Patent number 4,363,604
    • Issue date Dec 14, 1982
    • Du-Bro Products
    • Dewey O. Broberg
    • B64 - AIRCRAFT AVIATION COSMONAUTICS