John C. Krolopp

Person

  • Chicago, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Foldable holder

    • Patent number 11,118,767
    • Issue date Sep 14, 2021
    • Ulta-Lit Tree Company
    • John DeCosmo
    • F21 - LIGHTING

Patents Applicationslast 30 patents