Patents by Inventor Shiu Yuen Lee

Shiu Yuen Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Safety beam bracket and method of assembly
    Patent number: 6662499
    Abstract: A mounting system for the safety beam units of a garage door opener, the mounting system having two brackets, each bracket having a base with a circular opening and a support, the supports of both brackets being adjustably coupleable together. The mounting system also has a beam unit housing with a cylindrical mounting base fittable through the circular opening in the base of at least one of the brackets. A spring is coupled to the cylindrical mounting base, the spring having at least one end extending beyond a side of the cylindrical mounting base. The beam unit housing being held in position by the at least one spring end extending into contact with the base of least one bracket.
    Type: Grant
    Filed: May 31, 2002
    Date of Patent: December 16, 2003
    Assignee: Linear Corporation
    Inventors: Mark Y. Shin, Dat Wai Law, Shiu Yuen Lee