Patents by Inventor Dee Prentiss

Dee Prentiss 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).

  • Back saver hand truck
    Patent number: 5190304
    Abstract: A back saver hand truck is provided which consists of an elongated upstanding frame having a handle portion. A pair of ground engaging wheels are attached to the bottom of the frame. A platform is for supporting a load thereon. The platform transversely extends outwardly at one end from the frame. A mechanism for lifting said platform upwardly and lowering it downwardly in a longitudinal direction along the frame, so that a person does not have to bend down to remove the load from the platform, when the platform is lifted upwardly.
    Type: Grant
    Filed: December 13, 1991
    Date of Patent: March 2, 1993
    Inventors: Dee Prentiss, George Spector