James D. Wightman

Person

  • Wellsville, NY, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Expansion guide

    • Patent number 4,453,592
    • Issue date Jun 12, 1984
    • The Air Preheater Company, Inc.
    • James D. Wightman
    • F28 - HEAT EXCHANGE IN GENERAL