Charles E. Grimes

Person

  • Bloomington, MN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Belt drive

    • Patent number 4,634,403
    • Issue date Jan 6, 1987
    • Tennant Company
    • Ralph C. Peabody
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...