Patents by Inventor Jack L. McCain

Jack L. McCain 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).

  • Ground anchor
    Patent number: 3961451
    Abstract: A single blade is pivotally attached to a first shank portion in turn pivotally attached to a second shank portion. The pivot connections are arranged and lock pins are provided selectively such that the shank portions can be held in different positions relative to each other and relative to the blade to provide an anchor of varying shapes which has versatility in adapting to various ground conditions and also for compactly folding for storage and shipment.
    Type: Grant
    Filed: April 29, 1974
    Date of Patent: June 8, 1976
    Inventor: Jack L. McCain