Patents by Inventor Terrence W. Norris

Terrence W. Norris 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: 4650197
    Abstract: A hand trolley for ascending and descending stairs is disclosed as including an elongated frame with a pair of outer rails and a pair of inner rails being spaced from the outer rails, a pair of wheels mounted on the frame at one end of the outer rails with a handle mounted on the frame at the other end of the outer rails, load supporting feet carried by the frame adjacent the wheels to define a primary load support, a carriage slidably mounted on the inner rails and defining a secondary load support, and brake shoes are operative to lock the carriage in a fixed position.
    Type: Grant
    Filed: August 21, 1984
    Date of Patent: March 17, 1987
    Inventor: Terrence W. Norris