Patents by Inventor William D. McEwen

William D. McEwen 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).

  • Patent number: 5007606
    Abstract: A compact and lightweight support stand is provided for use by campers, backpackers, etc., to support a food pouch or the like containing dehydrated food adapted for reconstitution upon addition of water. The support stand comprises a pair of substantially identical plates shaped to interlock in facing relation to define a stable trough for receiving and supporting a food pouch in an open condition during rehydration and serving. The plates are adapted to be disassembled and nested compactly, such that the support stand occupies a minimum space when packed with other camping equipment.
    Type: Grant
    Filed: January 23, 1990
    Date of Patent: April 16, 1991
    Inventors: Ronald R. Allen, William D. McEwen
  • Patent number: 4163497
    Abstract: The file holder includes an elongated board with a plurality of transverse grooves cut in its top surface. A plurality of racks of L-shape in cross section include downwardly extending stems receivable in the grooves to support the racks in inclined positions on the board. The spacing of the grooves and inclination of the racks is such that identifying information constituting the top few lines on pharmacist's prescription files placed in the racks is clearly visible to a pharmacist at all times so that a desired prescription file can readily be located when stored in the holder.
    Type: Grant
    Filed: May 9, 1978
    Date of Patent: August 7, 1979
    Inventor: William D. McEwen