Lawrence A. Sweet

Person

  • Lakeland, MN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Muffler

    • Patent number 4,109,749
    • Issue date Aug 29, 1978
    • Minnesota Mining and Manufacturing Company
    • Lawrence A. Sweet
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES