Clustered Identical Units Patents (Class D25/4)
  • Building
    Patent number: D249811
    Type: Grant
    Filed: December 17, 1976
    Date of Patent: October 3, 1978
    Inventor: Billy J. Tucker
  • Modular building structure
    Patent number: D250964
    Type: Grant
    Filed: November 1, 1976
    Date of Patent: January 30, 1979
    Inventor: Clifford C. Whitney, Jr.