TREA

Warren M. Kifferstein

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  • Farmington Hills, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Practice net
    • Patent number 4,183,524
    • Issue date Jan 15, 1980
    • Warren M. Kifferstein
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Toy flying saucer
    • Patent number 4,157,631
    • Issue date Jun 12, 1979
    • Harry P. Kifferstein
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Sound-emitting toy flying saucer
    • Patent number 4,143,483
    • Issue date Mar 13, 1979
    • Harry P. Kifferstein
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Sound-emitting toy flying saucer
    • Patent number 4,117,626
    • Issue date Oct 3, 1978
    • Harry P. Kifferstein
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Limb stiffening device
    • Patent number 4,070,027
    • Issue date Jan 24, 1978
    • Harry P. Kifferstein
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE