Roelof J. Siepel

Person

  • Earlham, IA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Isolator

    • Patent number D674269
    • Issue date Jan 15, 2013
    • Monarch Materials Group, Inc.
    • Roelof J. Siepel
    • D08 - Tools and hardware