John A. Riggle

Person

  • Minnetonka, MN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Lifting arm apparatus

    • Patent number 4,057,156
    • Issue date Nov 8, 1977
    • Reuter, Inc.
    • Vern C. Thompson
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL