Joseph R. Wiegand

Person

  • Kern, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Double wall underground storage tank

    • Patent number 5,224,621
    • Issue date Jul 6, 1993
    • Owens Corning Fiberglas Technology, Inc.
    • Edward B. Cannan
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL