Patents by Inventor Philip C. Foster

Philip C. Foster 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).

  • Oscillatory cultivator
    Patent number: 4003436
    Abstract: A portable, power operated, hand cultivator comprising a frame having a motor supported thereon which, through a transmission, oscillates two or more generally vertically disposed cultivator tines extending downwardly from the frame. A handle is provided for easy control and manipulation of the device.
    Type: Grant
    Filed: August 15, 1973
    Date of Patent: January 18, 1977
    Assignee: The Black and Decker Manufacturing Company
    Inventors: Philip C. Foster, Bert E. Forsman