Richard P. Guptill

Person

  • Pittsburgh, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Variable length membrane module

    • Patent number 4,808,309
    • Issue date Feb 28, 1989
    • Texaco Inc.
    • Richard F. Beaupre
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL