Patents by Inventor George T. Blackwell, Jr.

George T. Blackwell, 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).

  • Adzer head assembly
    Patent number: 4770219
    Abstract: Adzer bit assemblies (18) are of noncircular outer surface configuration and have a noncircular surface seated against a face (15) of similar noncircular shape to hold the assembly against rotation. When becoming worn, the adzing bit assembly can be loosened from the adzing head (99), and rotated to present a fresh cutting surface.
    Type: Grant
    Filed: July 15, 1986
    Date of Patent: September 13, 1988
    Inventor: George T. Blackwell, Jr.