TREA

Zena Equipment, Inc.

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Organization

  • Tulsa, OK, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Hook rotating mechanism
    • Patent number 4,453,884
    • Issue date Jun 12, 1984
    • Zena Equipment, Inc.
    • Howard S. Gudgel
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Elevator transfer and support system
    • Patent number 4,421,447
    • Issue date Dec 20, 1983
    • Zena Equipment, Inc.
    • Howard S. Gudgel
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    73314624 - ZENA
    • Serial number 73314624
    • Registration number 1218096
    • Filing date Jun 15, 1981
    • Zena Equipment, Inc.
    • 7 - Machines and machine tools