Patents by Inventor Gerald R. Swenson

Gerald R. Swenson 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).

  • Air bed with firmness control
    Patent number: 4394784
    Abstract: A bed or mattress structure having at least one pneumatic bladder confined within an outer perimeter of resilient but relatively firm edging material, with top and bottom covers, wherein air flow tubes are coupled into the penumatic bladder and are connected to an electrically driven blower assembly which intakes and pressurizes ambient air at a moderately elevated pressure to the air bladder; the blower and air flow paths being controllable by at least one hand held control unit.
    Type: Grant
    Filed: July 8, 1981
    Date of Patent: July 26, 1983
    Assignee: Dial-A-Firm International, Inc.
    Inventors: Gerald R. Swenson, Emil S. Swenson, Gary A. Young