TREA

Richard H. Spray

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  • Studley, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Internal combusting engine
    • Patent number 5,452,692
    • Issue date Sep 26, 1995
    • Rover Group Limited
    • Richard H. Spray
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Internal combustion engine inlet manifold
    • Patent number 5,048,469
    • Issue date Sep 17, 1991
    • Rover Group Limited
    • Richard H. Spray
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS