TREA

Donel R. Olson

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  • Huntington Beach, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Time delay valve
    • Patent number 4,258,688
    • Issue date Mar 31, 1981
    • Olson Engineering, Inc.
    • Donel R. Olson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Modulating air control valve
    • Patent number 4,160,433
    • Issue date Jul 10, 1979
    • Olson Engineering Inc.
    • Donel R. Olson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS