David J. Black

Person

  • Salt Lake City, UT, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Spacer for a manufactured structure

    • Patent number 11,565,447
    • Issue date Jan 31, 2023
    • Smart Rock Fencing, LLC
    • Ted W. Nelson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents