Patents by Inventor Chong Yung Lai

Chong Yung Lai 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).

  • Packing device for the receiving of the Christmas lamp string
    Patent number: 5992627
    Abstract: The present invention relates to a packing device for the receiving of the Christmas lamp string. It is to provide the Christmas lamp string after usage to be easily wound around the outer edges of connecting columns mainly by the positioning disks of both sides with the connecting columns binding together to achieve the purpose of receiving packing. Thus, it is very convenient to be taken out for usage next time. It is able to improve the disadvantage of hard to store the lamp string in the pass, and increase the practical effects.
    Type: Grant
    Filed: October 27, 1998
    Date of Patent: November 30, 1999
    Inventor: Chong Yung Lai