Patents by Inventor Manuel D. Brown

Manuel D. Brown 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: 4257487
    Abstract: The device comprises a transverse frame member having depending border disc mounts. The transverse frame member also has a hitch extending forwardly therefrom for attachment to a three point hitch on a tractor. The water stop attachment has a ladder type framework with one side of the ladder frame pivotally attached to the border disc transverse frame member. A spaced parallel frame member of the ladder frame is attached to a plurality of stop plates which are located directly behind the depending border disc mounts. A single hydraulic cylinder extends between a raised portion of the three point hitch and a central member of the ladder frame for raising and lowering the stop mechanism upon actuation of a hydraulic switch or valve located in the cab of the tow vehicle.
    Type: Grant
    Filed: January 16, 1979
    Date of Patent: March 24, 1981
    Inventor: Manuel D. Brown
  • Patent number: 4085961
    Abstract: A tool box mount for a pickup truck has a frame which supports a tool box, and is itself supported above a bed of the pickup truck for swinging movement over the bed between a position wherein the tool box can be opened during use and a position where the tool box cannot be opened when the box is not in use. Pivotally mounted on a base plate secured to the bed of the pickup truck is an arm assembly which supports the frame for swinging movement, while a lock assembly affixed to the base plate selectively retains the frame in the position permitting the tool box to be opened.
    Type: Grant
    Filed: June 17, 1976
    Date of Patent: April 25, 1978
    Inventor: Manuel D. Brown