TREA

J. David Pratt

Follow

Person

  • Sullivan, IL, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Zero turn transaxle
    • Patent number 7,328,576
    • Issue date Feb 12, 2008
    • Hydro-Gear Limited Partnership
    • Thomas J. Langenfeld
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Bypass mechanism for a hydraulic drive apparatus
    • Patent number 7,225,617
    • Issue date Jun 5, 2007
    • Hydro-Gear Limited Partnership
    • Thomas J. Langenfeld
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Zero turn transaxle
    • Patent number 7,047,736
    • Issue date May 23, 2006
    • Hydro-Gear Limited Partnership
    • Thomas J. Langenfeld
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Zero turn transaxle
    • Patent number 6,843,056
    • Issue date Jan 18, 2005
    • Hydro-Gear Limited Partnership
    • Thomas J. Langenfeld
    • B60 - VEHICLES IN GENERAL