Tricycle Or Frame Patents (Class D12/112)
  • Patent number: D242783
    Type: Grant
    Filed: July 17, 1975
    Date of Patent: December 21, 1976
    Inventors: Andrew K. Jacobson, Stuart Glasier
  • Patent number: D247028
    Type: Grant
    Filed: June 30, 1976
    Date of Patent: January 24, 1978
    Assignee: Combi Co., Ltd.
    Inventors: Shinroku Nakao, Yoshiyasu Ishii, Kenshun Ishii