Patents by Inventor Castle Wang

Castle 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: D330431
    Type: Grant
    Filed: May 31, 1989
    Date of Patent: October 20, 1992
    Assignee: Cobbs Manufacturing Company
    Inventor: Castle Wang