Patents Assigned to Sumnett Corporation
  • Pressure regulating tire valve and core
    Patent number: 6302138
    Abstract: The present invention is related to air pressure valve stems and gauges. More particularly, this invention relates particularly to tire stem valves possessing a built-in calibrated air pressure regulator and an optional integrated air pressure indicator.
    Type: Grant
    Filed: May 3, 2000
    Date of Patent: October 16, 2001
    Assignee: Sumnett Corporation
    Inventor: Dirk Lee Sumrall
  • Pressure regulating tire valve and core
    Patent number: 6142168
    Abstract: The present invention is related to air pressure valve stems and gauges. More particularly, this invention relates particularly to tire stem valves possessing a built-in calibrated air pressure regulator and an optional integrated air pressure indicator.
    Type: Grant
    Filed: October 22, 1999
    Date of Patent: November 7, 2000
    Assignee: Sumnett Corporation
    Inventor: Dirk Lee Sumrall