Patents by Inventor Donald W. Gwyther

Donald W. Gwyther 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: 4395858
    Abstract: A system for alignably mounting a plurality of panels, each of which has a pair of substantially parallel, facing engagement surfaces on its back side.
    Type: Grant
    Filed: July 6, 1981
    Date of Patent: August 2, 1983
    Inventor: Donald W. Gwyther