Charles P. Duncan

Person

  • Walnut Creek, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Collecting apparatus

    • Patent number 4,399,629
    • Issue date Aug 23, 1983
    • The United States of America as represented by the United States Department o...
    • Charles P. Duncan
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING