John Benson

Person

  • Tigard, OR, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Exhaust brake valve

    • Patent number 4,205,704
    • Issue date Jun 3, 1980
    • Dana Corporation
    • John Benson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Exhaust brake valve

    • Patent number 4,054,156
    • Issue date Oct 18, 1977
    • The Weatherhead Company
    • John Benson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS