TREA

World Patent Development Corporation

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  • Enid, OK, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Portable structure
    • Patent number 6,550,491
    • Issue date Apr 22, 2003
    • World Patent Development Corporation
    • Dickie R. Bixler
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Ball control device for pitchback machines
    • Patent number 5,927,262
    • Issue date Jul 27, 1999
    • World Patent Development Corporation
    • Dickie R. Bixler
    • A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Trademarklast 30 trademarks