TREA

Sullivan; Frederick Ballou-Viaux

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  • Wayland, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Roller skate shock absorber system
    • Patent number 5,823,543
    • Issue date Oct 20, 1998
    • Sullivan; John Aloysius
    • Clay Allen Burns
    • A63 - SPORTS GAMES AMUSEMENTS