TREA

Davis B. Dwinell

Follow

Person

  • Carol Stream, IL, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Drain outlet hole and residue drain
    • Patent number D381181
    • Issue date Jul 15, 1997
    • American Flange & Manufacturing Co., Inc.
    • Davis B. Dwinell
    • D34 - Material or article handling equipment