Patents by Inventor Yim Christopher Chau

Yim Christopher Chau 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).

  • Visual aid transducer protector
    Patent number: D693923
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: November 19, 2013
    Assignee: Fresenius Medical Care Holdings, Inc.
    Inventors: Irving Hernandez, Yim Christopher Chau