Donald Mangrum

Person

  • Sanger, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Keywell form retention assembly

    • Patent number 11,479,983
    • Issue date Oct 25, 2022
    • Donald Mangrum
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents