Patents by Inventor Donald R. Oswald

Donald R. Oswald 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: 4425680
    Abstract: The present invention is directed to a napkin clip device, and more particularly to a device which may be utilized in the manner of a tie clip and which also functions to hold a napkin in selected position. The device is especially adaptable for use as an advertising medium.
    Type: Grant
    Filed: May 7, 1982
    Date of Patent: January 17, 1984
    Inventors: Harold Basseches, Donald R. Oswald