Patents Assigned to Annan Blair
  • Dome structure
    Patent number: 4180950
    Abstract: A building unit of generally diamond shape which includes flange members along its edges, the flange members adapted to interlock with those of an adjacent unit to construct a building structure for example a dome structure. The units are simple to manufacture and assemble to provide inexpensive domes and other structures.
    Type: Grant
    Filed: February 2, 1978
    Date of Patent: January 1, 1980
    Assignee: Annan Blair
    Inventor: Wilbert J. Foster