Joseph M. O'ffill

Person

  • Shawnee Mission, KS, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic valve

    • Patent number 4,262,878
    • Issue date Apr 21, 1981
    • Shale Oil Science & Systems, Inc.
    • Joseph M. O'ffill
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Modular heat exchange apparatus

    • Patent number 4,260,371
    • Issue date Apr 7, 1981
    • Shale Oil Science & Systems, Inc.
    • Joseph M. O'ffill
    • F27 - FURNACES KILNS OVENS RETORTS