Timothy O. Armstrong

Person

  • Bellevue, WA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Low impact stair climbing exercise apparatus

    • Patent number D314597
    • Issue date Feb 12, 1991
    • Precor Incorporated
    • Timothy O. Armstrong
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Stair climbing exercise apparatus

    • Patent number D304358
    • Issue date Oct 31, 1989
    • Precor Incorporated
    • Timothy O. Armstrong
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Low impact exercise equipment

    • Patent number 4,838,543
    • Issue date Jun 13, 1989
    • Precor Incorporated
    • Timothy O. Armstrong
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Exercise bicycle

    • Patent number D300046
    • Issue date Feb 28, 1989
    • Precor Incorporated
    • Timothy O. Armstrong
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Exercise apparatus ergometer

    • Patent number 4,770,411
    • Issue date Sep 13, 1988
    • Precor Incorporated
    • Timothy O. Armstrong
    • A63 - SPORTS GAMES AMUSEMENTS