Patents Assigned to Hung Sang Metal Plastic Factory Ltd.
  • Revolving holder for kitchen tools or the like
    Patent number: D279950
    Type: Grant
    Filed: April 20, 1983
    Date of Patent: August 6, 1985
    Assignee: Hung Sang Metal Plastic Factory Ltd.
    Inventor: Albert Y. Wan
  • Wall hanger
    Patent number: D418351
    Type: Grant
    Filed: March 22, 1999
    Date of Patent: January 4, 2000
    Assignee: Hung Sang Metal Plastic Factory Ltd.
    Inventor: Shek Tang Lee