Patents by Inventor Qiao-Zhen Bai

Qiao-Zhen Bai 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).

  • Watch fastener and watch band using the watch fastener
    Patent number: 9491991
    Abstract: A watch fastener for fastening a watch strap or band includes a base portion, a first column, and a head portion. The base portion and the head portion lie at opposite ends of the first column and the intersection of a central axis of the first column with a central axis of the base portion is oblique. The first column perpendicularly intersects the head portion.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: November 15, 2016
    Assignees: HONGFUJIN PRECISION ELECTRONICS (ZHENGZHOU) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yu-Jie Rong, Qiao-Zhen Bai, Bo Yang, Er-Li Jia, Jian-Tao Ding, Yan-Lei Cao