Patents Assigned to Practical Products Mfg. Ltd.
  • Flashlight
    Patent number: D336965
    Type: Grant
    Filed: December 24, 1991
    Date of Patent: June 29, 1993
    Assignee: Practical Products Mfg. Ltd.
    Inventor: Kai C. A. Yau
  • Flashlight
    Patent number: D336966
    Type: Grant
    Filed: December 26, 1991
    Date of Patent: June 29, 1993
    Assignee: Practical Products Mfg. Ltd.
    Inventor: Kai C. A. Yau