John E. Mc Donald

Person

  • Grosse Pointe Woods, MI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Oil life monitor for diesel engines

    • Patent number 6,327,900
    • Issue date Dec 11, 2001
    • General Motors Corporation
    • John E. Mc Donald
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES