Glenn M. Campbell Jr.

Person

  • Hopkins, MN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Temperature control apparatus

    • Patent number 4,288,271
    • Issue date Sep 8, 1981
    • Newkirk; Raymond K.
    • Glenn M. Campbell
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL