TREA

Fresnel lenses

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Industry

  • CPC
  • A63F2009/0633
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Parent Industries

AHUMAN NECESSITIES A63Sports, games A63FCARD, BOARD, OR ROULETTE GAMES INDOOR GAMES USING SMALL MOVING PLAYING BODIES VIDEO GAMES GAMES NOT OTHERWISE PROVIDED FOR

Current Industry

A63F2009/0633Fresnel lenses
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Three-dimensional puzzle
    • Patent number 7,441,776
    • Issue date Oct 28, 2008
    • Hobbico, Inc.
    • Krzysztof Ustarbowski
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Puzzles with decoding lenses and encoded images
    • Patent number 6,565,089
    • Issue date May 20, 2003
    • Jose R. Matos
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Flying disc
    • Patent number 4,204,357
    • Issue date May 27, 1980
    • Richard H. Harrington
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    3692312
    • Patent number 3,692,312
    • Issue date Sep 19, 1972
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    3661385
    • Patent number 3,661,385
    • Issue date May 9, 1972
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3119195
    • Patent number 3,119,195
    • Issue date Jan 28, 1964
    • A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents