Patents by Inventor David S. Thompson

David S. 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).

  • Aluminum armor plate system
    Patent number: 4469537
    Abstract: Aluminum-magnesium-manganese alloy cold rolled to produce armor plate with improved ballistic properties.
    Type: Grant
    Filed: June 27, 1983
    Date of Patent: September 4, 1984
    Assignee: Reynolds Metals Company
    Inventors: Richard F. Ashton, David S. Thompson
  • Aluminum-magnesium alloys sheet exhibiting improved properties for forming and method aspects of producing such sheet
    Patent number: 4151013
    Abstract: Described is Al-Mg Sheet, in annealed condition, which has good formability and is further characterized structurally by its ability to be formed in the manufacture of sheet-metal products without being marked by Type A Luder lines. Also described are method aspects of producing such sheet, including the steps of selectively annealing and quenching followed by stretching.
    Type: Grant
    Filed: February 10, 1978
    Date of Patent: April 24, 1979
    Assignee: Reynolds Metals Company
    Inventors: David S. Thompson, John S. Prestley, Jr., Thomas E. Webb
  • Avoiding type A luder lines in forming sheet made of an Al-Mg alloy
    Patent number: 4081294
    Abstract: Improved alloy compositions for making sheet products, and related method aspects, based on adding zinc to Al-Mg alloys in an amount effective to avoid Type A Luder lines when cold working such sheet in annealed condition.
    Type: Grant
    Filed: May 26, 1976
    Date of Patent: March 28, 1978
    Assignee: Reynolds Metals Company
    Inventors: David S. Thompson, John S. Prestley, Jr., Grant E. Spangler