Patents Assigned to Primo Research, Inc.
  • Inflatable articles that provide long term inflation and pressure control
    Patent number: 7611429
    Abstract: The present invention provides an inflatable article having a gas impermeable membrane of one or more layers and a sealable valve, including a cap plug design adapted for insertion into the valve, to reduce leakage.
    Type: Grant
    Filed: February 28, 2006
    Date of Patent: November 3, 2009
    Assignee: Primo Research, Inc.
    Inventors: Michael O'Neill, Donald Allan Sandusky