Patents by Inventor Ollney B. Terrell

Ollney B. Terrell 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).

  • Light gauge self-tapping sheet metal screw
    Patent number: 4764066
    Abstract: This disclosure concerns a light gauge self-tapping sheet metal screw having a threaded shank and cap-type head, which head has a tool-engaging surface. Between the cupped recess of the head and the shank are a plurality of pyramidal ribs that extend partway around the shank for deforming the edge of the holes in the sheet metal up against the recessed surface of the cup of the head to increase the stripping and backout torque of the screw.
    Type: Grant
    Filed: April 22, 1985
    Date of Patent: August 16, 1988
    Assignee: Farley Metals, Inc.
    Inventors: Ollney B. Terrell, Larry J. Arnold