Patents by Inventor John F. Donaho

John F. Donaho 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).

  • Sawhorse and end support therefor
    Patent number: 5318150
    Abstract: A sawhorse comprises a central beam and a pair of injection molded plastic end supports. The end supports each provide an upwardly facing notch for receiving a standing 2.times.4 acting as the beam of the sawhorse. The 2.times.4 is attached to the end supports by nailing to provide a fixed sawhorse or by bolting to provide a partially collapsible sawhorse. The end supports provide a maximum strength to weight ratio, are partially nestable to reduce costs during storage and transportation and provide an inexpensive, sturdy sawhorse assembly.
    Type: Grant
    Filed: July 17, 1992
    Date of Patent: June 7, 1994
    Inventor: John F. Donaho