Patents Assigned to 2L Products, Inc.
  • Compressed air drain opening device
    Patent number: 6484326
    Abstract: An air plunger is described. The air plunger comprises an upper barrel and a lower barrel slidably received by the upper barrel. An air seal is fixed to the lower barrel and slidably engages with the upper barrel. A nozzle is attached to the lower barrel opposite to the upper barrel. A stop mechanism prohibits the upper barrel from disassociating with the lower barrel.
    Type: Grant
    Filed: May 7, 2001
    Date of Patent: November 26, 2002
    Assignee: 2L Products, Inc.
    Inventors: J. Kirk Leaphart, Jr., C. Mark Leaphart