Patents by Inventor Thomas G. Lyman, Jr.

Thomas G. Lyman, 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).

  • Climber's chockstone
    Patent number: 3946975
    Abstract: A climber's chockstone is formed of a polycarbonate resin to define a body having three pairs of opposed faces defining three wedges of different widths. The body has an opening or cavity extending through opposed faces and a loop of sling rope extends into the cavity and around a metal tube extending across the cavity.
    Type: Grant
    Filed: April 9, 1975
    Date of Patent: March 30, 1976
    Inventor: Thomas G. Lyman, Jr.