Patents by Inventor Donald L. Shanks

Donald L. Shanks 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: 4069993
    Abstract: An improved bag supporting means is disclosed for gripping a marginal portion of the mouth of a bag comprising a substantially vertical upright peg fixed at its lower end to a support. A resilient locking ring having an inside diameter less than the diameter of the peg is adapted to be moved downwardly over the peg with the marginal portion of the bag being spread over the peg to hold the bag upon the peg. The locking ring may be affixed to the support by anchor means.
    Type: Grant
    Filed: June 11, 1976
    Date of Patent: January 24, 1978
    Inventor: Donald L. Shanks