TREA

Dino J. Rogahn

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  • Phoenix, AZ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-picture puzzle apparatus
    • Patent number 4,741,534
    • Issue date May 3, 1988
    • Dino J. Rogahn
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Bubble producing flying toy
    • Patent number 4,184,284
    • Issue date Jan 22, 1980
    • Dino J. Rogahn
    • A63 - SPORTS GAMES AMUSEMENTS