Patents by Inventor Randy L. Lee

Randy L. Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Inflatable and deflatable sign support
    Patent number: 5402591
    Abstract: An inflatable and deflatable support for a sign having advertising indicia thereon including an air inflatable, cylindrical member having an upper, inflatable, cylindrical cross member spanning a pair of upstanding inflatable legs which depend from opposite ends thereof. The legs are each open at the lower end and are sealed to a hollow cylindrical ballast plug. Mechanism is coupled to one of the legs and cylinders for admitting air under pressure to the cylindrical ballast plug to inflate and deflate the cylinder.
    Type: Grant
    Filed: January 11, 1993
    Date of Patent: April 4, 1995
    Inventor: Randy L. Lee