Patents by Inventor Orville S. Hansen

Orville S. Hansen 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).

  • Portable balustrade and platform assembly
    Patent number: 4664227
    Abstract: A portable balustrade and platform assembly for a structure, such as a recreational vehicle, is provided for stabilizing and assisting a person entering and exiting the structure via a door thereof.
    Type: Grant
    Filed: August 29, 1986
    Date of Patent: May 12, 1987
    Inventor: Orville S. Hansen