Patents by Inventor Albert T. Briggs

Albert T. Briggs 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).

  • Rolling mill
    Patent number: 4162626
    Abstract: A rolling mill of the four-high type wherein the lower work roll chocks are interconnected by runners to form a sled-like construction and the upper work roll assembly is supportable by the lower work roll assembly so that the two work roll assemblies may be changed as a unit. The runners are supported by tracks carried by the upper back up roll chocks when the upper back up roll chocks are raised to bring the tracks into supporting engagement with the runners arranged above the tracks.
    Type: Grant
    Filed: May 3, 1978
    Date of Patent: July 31, 1979
    Assignee: Wean United, Inc.
    Inventors: Elmer E. Decima, Albert T. Briggs
  • Security door stop plate
    Patent number: D302937
    Type: Grant
    Filed: August 14, 1986
    Date of Patent: August 22, 1989
    Inventor: Albert T. Briggs