Patents Assigned to Sealand Industrial Co., Ltd.
  • Fused electrical adaptor plug
    Patent number: D308962
    Type: Grant
    Filed: October 13, 1987
    Date of Patent: July 3, 1990
    Assignee: Sealand Industrial Co., Ltd.
    Inventor: Lam K. Duk
  • Massager
    Patent number: D315408
    Type: Grant
    Filed: October 13, 1987
    Date of Patent: March 12, 1991
    Assignee: Sealand Industrial Co., Ltd.
    Inventor: Lam K. Duk
  • Massager
    Patent number: D320656
    Type: Grant
    Filed: February 15, 1989
    Date of Patent: October 8, 1991
    Assignee: Sealand Industrial Co., Ltd.
    Inventor: Ka-Duk Lam
  • Combined massager and torch
    Patent number: D338070
    Type: Grant
    Filed: August 28, 1990
    Date of Patent: August 3, 1993
    Assignee: Sealand Industrial Co., Ltd.
    Inventor: Ka-Duk Lam