Patents by Inventor Robert D. Lockhart

Robert D. Lockhart 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: 5957875
    Abstract: The invention relates to a toe splint for an outer toe, having a rear holding part, which is to be placed against the metatarsus, and a supporting part, which is integrally connected thereto and is to be placed upon the toe to be supported. The holding part and the supporting part each have a side portion to be placed against the outer edge of the foot or toe. The improvement according to the invention consists in the fact that the side portions are continuously joined in the manner of a splint.
    Type: Grant
    Filed: December 16, 1996
    Date of Patent: September 28, 1999
    Assignee: Waldemar Link (GmbH & Co.)
    Inventor: Robert D. Lockhart
  • Patent number: 5769805
    Abstract: The invention relates to a toe splint for a middle toe, comprising a rear holding part to be placed against the metatarsus and a front supporting part which is to be placed onto the toe to be supported and the front end of which lies roughly in alignment with the holding part. The improvement according to the invention lies in the fact that the middle and/or rear part of the supporting part is arranged substantially higher than its front end.
    Type: Grant
    Filed: December 16, 1996
    Date of Patent: June 23, 1998
    Assignee: Waldemar Link (GmbH & Co.)
    Inventor: Robert D. Lockhart
  • Patent number: 5154692
    Abstract: A support and immobilizing device for a damaged toe includes a pad having a front edge from which a curved support member projects. The suppport member overlies the damaged toe and is taped to it so that the toe will be supported and immobilized. The device of the present invention can be made for specific toes of the foot and the device will be of specific configurations for the big toe, the little toe, the fourth toe and the second and third toes. Thus, a total of four devices will be made and used for the five toes of each foot; however, the basic construction of the device will always remain the same, such basic construction being the combination of the pad and support member on the top of the foot and toe, respectively.
    Type: Grant
    Filed: February 26, 1991
    Date of Patent: October 13, 1992
    Inventor: Robert D. Lockhart