Charles D. Donaldson

Person

  • Loveland, OH, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Heavy duty spool

    • Patent number 5,203,516
    • Issue date Apr 20, 1993
    • Dyment Limited
    • Charles D. Donaldson
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL