Patents by Inventor Chao-Hslen Wang

Chao-Hslen Wang 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).

  • Patent number: D324498
    Type: Grant
    Filed: November 28, 1989
    Date of Patent: March 10, 1992
    Assignee: Chao-Hslen Wang
    Inventor: Chao-Hslen Wang