TREA

David Groh

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  • Troy, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Internal combustion engine with an anti-rotation guide for valve li...
    • Patent number 6,745,737
    • Issue date Jun 8, 2004
    • Ina Schaeffler KG
    • Matthew Evans
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Switchable cam follower
    • Patent number 6,257,185
    • Issue date Jul 10, 2001
    • Ina Walzlager Schaeffler oHG
    • David M. Groh
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Switchable cam follower
    • Patent number 6,196,176
    • Issue date Mar 6, 2001
    • Ina Walzlager Schaeffler oHG
    • David M. Groh
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents