Patents by Inventor Donald O. Marcellus

Donald O. Marcellus 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: 4160458
    Abstract: An awning control apparatus for connecting to the side of a support structure. The apparatus having electric motors for electrically extending an awning outwardly from the side of the support structure. One side of the awning may be lowered for draining rain water from the top of the awning, and the awning may be retracted by reversing the electric motors. The apparatus may be used on recreational vehicles, campers, trailers, mobile homes, or the like.
    Type: Grant
    Filed: December 9, 1977
    Date of Patent: July 10, 1979
    Inventor: Donald O. Marcellus