Charles K. Gravis

Person

  • Tulsa, OK, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Centrifugal separator

    • Patent number 4,017,275
    • Issue date Apr 12, 1977
    • Maloney-Crawford Tank Corporation
    • Robert A. Hodgson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL