TREA

Russel B. Leibfreid

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  • Highlands, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Variable venturi carburetor
    • Patent number 4,229,385
    • Issue date Oct 21, 1980
    • Russel B. Leibfreid
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS