Patents by Inventor Man Hing Chan

Man Hing Chan 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).

  • Clip
    Patent number: 3983887
    Abstract: A hair clip or the like is provided of the type having two metal jaws hinged together at a pivot point and having finger extensions beyond the pivot point with a spring tending to keep the jaws closed. The clip of the present invention utilizes a novel pivot joint and spring holder.
    Type: Grant
    Filed: June 23, 1975
    Date of Patent: October 5, 1976
    Inventor: Man Hing Chan