TREA

Ralph C. Boyer

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  • Crystal City, MO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tethered ball batting practice device
    • Patent number 4,964,634
    • Issue date Oct 23, 1990
    • Incrediball, Inc.
    • Ralph Boyer
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf practice device
    • Patent number 4,927,154
    • Issue date May 22, 1990
    • Ralph C. Boyer
    • A63 - SPORTS GAMES AMUSEMENTS