Patents by Inventor John H. Konkle

John H. Konkle 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).

  • Mobile vehicle invalid lift assembly
    Patent number: 4278389
    Abstract: Invalid lift mechanism including framework supported on the underlying frame of a trailer which supports an elevatable platform. The platform is also pivotable to swing it from a horizontal to a vertical position. Cables and winches are provided for raising the platform and pivoting the platform.
    Type: Grant
    Filed: October 11, 1979
    Date of Patent: July 14, 1981
    Inventor: John H. Konkle