Patents Assigned to Chung Ah Manufacturing Company, Limited
  • Lantern
    Patent number: D252834
    Type: Grant
    Filed: October 20, 1977
    Date of Patent: September 4, 1979
    Assignee: Chung Ah Manufacturing Company, Limited
    Inventor: Wan K. Yip
  • Combined portable lantern and warning lamp
    Patent number: D287291
    Type: Grant
    Filed: December 1, 1983
    Date of Patent: December 16, 1986
    Assignee: Chung Ah Manufacturing Company Limited
    Inventor: Kwong Y. Wan