TREA

Donald J. Alexander

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  • Milwaukee, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Exercise treadmill
    • Patent number 6,923,746
    • Issue date Aug 2, 2005
    • Brunswick Corporation
    • Richard E. Skowronski
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Exercise treadmill
    • Patent number 6,436,008
    • Issue date Aug 20, 2002
    • Brunswick Corporation
    • Richard E. Skowronski
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Exercise treadmill
    • Patent number 6,095,951
    • Issue date Aug 1, 2000
    • Brunswick Corporation
    • Richard E. Skowronski
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Exercise treadmill
    • Patent number 5,752,897
    • Issue date May 19, 1998
    • Brunswick Corporation
    • Richard E. Skowronski
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Exercise treadmill
    • Patent number 5,599,259
    • Issue date Feb 4, 1997
    • Life Fitness
    • Richard E. Skowronski
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Exercise treadmill
    • Patent number 5,484,362
    • Issue date Jan 16, 1996
    • Life Fitness
    • Richard E. Skowronski
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Exercise treadmill
    • Patent number 5,382,207
    • Issue date Jan 17, 1995
    • Life Fitness
    • Richard E. Skowronski
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Apparatus and method for measuring heart rate
    • Patent number 5,365,934
    • Issue date Nov 22, 1994
    • Life Fitness
    • Tomas Leon
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Exercise system and method for managing physiological intensity of...
    • Patent number 5,318,487
    • Issue date Jun 7, 1994
    • Life Fitness
    • Emil S. Golen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Apparatus and method for measuring heart rate
    • Patent number 5,243,993
    • Issue date Sep 14, 1993
    • Life Fitness
    • Donald J. Alexander
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Exercise apparatus for simulating stair climbing
    • Patent number 5,135,447
    • Issue date Aug 4, 1992
    • Life Fitness
    • Chester F. Robards
    • A63 - SPORTS GAMES AMUSEMENTS