TREA

Paul W. Ahrens

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  • Grinnell, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Playground slide
    • Patent number 4,932,648
    • Issue date Jun 12, 1990
    • Miracle Recreation Equipment Company
    • Paul W. Ahrens
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Playground slide
    • Patent number 4,893,807
    • Issue date Jan 16, 1990
    • Miracle Recreation Equipment Company
    • Paul W. Ahrens
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Playground slide
    • Patent number 4,811,943
    • Issue date Mar 14, 1989
    • Miracle Recreation Equipment Company
    • Paul W. Ahrens
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Playground tube slide
    • Patent number 4,487,411
    • Issue date Dec 11, 1984
    • Miracle Recreation Equipment Company
    • Paul W. Ahrens
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Playground deck
    • Patent number 4,484,738
    • Issue date Nov 27, 1984
    • Miracle Recreation Equipment Company
    • Paul W. Ahrens
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Playground equipment with wooden timbers having internal fasteners
    • Patent number 4,447,055
    • Issue date May 8, 1984
    • Miracle Recreation Equipment Company
    • Paul W. Ahrens
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Playground tube slide
    • Patent number 4,379,551
    • Issue date Apr 12, 1983
    • Miracle Recreation Equipment Company
    • Paul W. Ahrens
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Playground climber and slide
    • Patent number 4,369,965
    • Issue date Jan 25, 1983
    • Miracle Recreation Equipment Company
    • Paul W. Ahrens
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Playground design kit and method of using the same
    • Patent number 4,348,188
    • Issue date Sep 7, 1982
    • Miracle Recreation Equipment Company
    • Paul W. Ahrens
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Seesaw
    • Patent number 4,341,377
    • Issue date Jul 27, 1982
    • Miracle Recreation Equipment Company
    • Paul W. Ahrens
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Playground swing
    • Patent number 4,296,923
    • Issue date Oct 27, 1981
    • Miracle Recreation Equipment Company
    • Paul W. Ahrens
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Playground merry-go-round
    • Patent number 4,286,781
    • Issue date Sep 1, 1981
    • Miracle Recreation Equipment Company
    • Paul W. Ahrens
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Swing
    • Patent number D260109
    • Issue date Aug 4, 1981
    • Miracle Recreation Equipment Company
    • Paul W. Ahrens
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Playground merry-go-round
    • Patent number D260028
    • Issue date Jul 28, 1981
    • Miracle Recreation Equipment Company
    • Paul W. Ahrens
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Playground swing
    • Patent number D259652
    • Issue date Jun 23, 1981
    • Miracle Recreation Equipment Company
    • Paul W. Ahrens
    • D21 - Games, toys, and sports goods