TREA

Edward F. Leftwich

Follow

Person

  • Decatur, GA, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Exercise step
    • Patent number D337362
    • Issue date Jul 13, 1993
    • The Step Company
    • Eric Goldstein
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Stepping device
    • Patent number 5,213,554
    • Issue date May 25, 1993
    • The Step Company
    • Eric Goldstein
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Adjustable stepping structure for aerobic exercises
    • Patent number 5,158,512
    • Issue date Oct 27, 1992
    • Sports Step, Inc.
    • Lyle R. Irwin
    • A63 - SPORTS GAMES AMUSEMENTS