Patents by Inventor Chung Yin Lam

Chung Yin Lam 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).

  • Shoelace fastening device
    Patent number: 9743713
    Abstract: A shoelace fastening device comprises a first buckle having a first through-hole and a second through-hole separated from the first through-hole. One shoelace of a shoe enters the shoelace fastening device from the first through-hole and extends out of the shoelace fastening device from the second through-hole, while the other shoelace enters the shoelace fastening device from the second through-hole and extends out of the shoelace fastening device from the first through-hole. The shoelace fastening device further includes a second buckle having a first pressing portion adapted to the first through-hole and a second pressing portion adapted to the second through-hole.
    Type: Grant
    Filed: July 18, 2016
    Date of Patent: August 29, 2017
    Assignee: Cutting Edge Products Company Limited
    Inventor: Chung Yin Lam