Douglas E. Maddox

Person

  • Minneapolis, MN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Semi-rigid heat transfer devices

    • Patent number 5,205,348
    • Issue date Apr 27, 1993
    • Minnesota Mining and Manufacturing Company
    • Lew A. Tousignant
    • F28 - HEAT EXCHANGE IN GENERAL