Patents by Inventor Marjorieann M. Smith

Marjorieann M. Smith 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).

  • Trailer coupling
    Patent number: 4009889
    Abstract: A trailer having a relatively low-slung flat frame bed supported on wheels and an elevated front coupling member joined by connecting means of unique construction to a front hitch tongue on the frame bed for rotatable connection to a trailer hitch coupling ball on a towing vehicle.
    Type: Grant
    Filed: June 16, 1975
    Date of Patent: March 1, 1977
    Inventor: Marjorieann M. Smith