Patents Assigned to Olgesby & Butler Plc
  • Patent number: D305720
    Type: Grant
    Filed: August 10, 1987
    Date of Patent: January 30, 1990
    Assignee: Olgesby & Butler Plc
    Inventors: Bryan D. Leech, John V. McNulty, Alfred P. Oglesby, John P. Oglesby, Derek W. Butler