TREA

Daniel R. Speranza

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  • Westerville, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bowling lane surface
    • Patent number 4,674,745
    • Issue date Jun 23, 1987
    • AMF Bowling Companies Inc.
    • Daniel R. Speranza
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Bowling ball return mechanism
    • Patent number 4,640,511
    • Issue date Feb 3, 1987
    • AMF Incorporated
    • Daniel R. Speranza
    • A63 - SPORTS GAMES AMUSEMENTS