Patents by Inventor Phillip B. Thompson

Phillip B. Thompson 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).

  • Patent number: 4326599
    Abstract: A speaker grille bezel-retainer terminating in a tubular portion with multiple groups of radially intermittent serrations axially displaced to receive a matching bezel ring having an inside diameter with alternate tabs and cut-outs and the tab is shaped to form a ramp to axially advance the ring on the bezel while rotationally engaging spaced, aligned pairs of serrations.
    Type: Grant
    Filed: June 1, 1981
    Date of Patent: April 27, 1982
    Assignee: McDonnell Douglas Corporation
    Inventors: Phillip B. Thompson, Hill W. Roberts