Patents by Inventor E. Calvin Campbell, Jr.

E. Calvin Campbell, 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).

  • Surface finish for statuary
    Patent number: 4105812
    Abstract: An article of statuary and a decorative surface finish therefor comprises a shaped body having an outer surface, and a thin wall constructed of a ferrous metal. A plurality of brass nodules are brazed to selected portions of the outer surface in an irregular manner, and are shaped to form a rough finished surface. The remainder of the outer surface is provided with spaced, flame scorched regions, each having a variegated coloration to produce a patina effect.
    Type: Grant
    Filed: February 14, 1977
    Date of Patent: August 8, 1978
    Inventor: E. Calvin Campbell, Jr.