Patents by Inventor Robert C. Tritle, Jr.

Robert C. Tritle, Jr. 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).

  • Specialized crutch tips
    Patent number: 4098283
    Abstract: A disk having a convex lower surface bounded by a peripheral ridge may be attached to the bottom of a crutch tip to engage sand, a plurality of apertures around the disk permits the disk to engage snow, and a plurality of thumb tacks embedded in the disk and extending downward from the disk to form a plurality of pointed projections will help the disk engage ice.
    Type: Grant
    Filed: February 16, 1977
    Date of Patent: July 4, 1978
    Assignee: The Raymond Lee Organization, Inc.
    Inventor: Robert C. Tritle, Jr.