Patents by Inventor Bonner B. Stewart

Bonner B. Stewart 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).

  • Telescoping room for travel trailers
    Patent number: 4128269
    Abstract: A room section having a ceiling, floor, opposed side walls and an outer end wall, fits freely in an opening in a wall of a travel trailer for reciprocative movement between a position extended from the trailer, to provide increased living area, and a position retracted into the trailer for travel. The room section is supported for such movement by mechanism located under the trailer floor and connected to the room section at the outer wall of the latter.
    Type: Grant
    Filed: January 21, 1977
    Date of Patent: December 5, 1978
    Assignee: Hazel F. Stewart
    Inventor: Bonner B. Stewart
  • Telescoping room for travel trailers
    Patent number: RE32262
    Abstract: A room section having a ceiling, floor, opposed side walls and an outer end wall, fits freely in an opening in a wall of a travel trailer for reciprocative movement between a position extended from the trailer, to provide increased living area, and a position retracted into the trailer for travel. The room section is supported for such movement by mechanism located under the trailer floor and connected to the room section at the outer wall of the latter.
    Type: Grant
    Filed: November 5, 1984
    Date of Patent: October 7, 1986
    Assignee: John C. May
    Inventor: Bonner B. Stewart