Ralph A. Leonard

Person

  • River Forest, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Centrifugal pyrocontactor

    • Patent number 5,254,076
    • Issue date Oct 19, 1993
    • Arch Development Corporation
    • Lorac S. Chow
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL