Patents by Inventor Henry Immanuel Hsu

Henry Immanuel Hsu 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).

  • Large washer
    Patent number: D644921
    Type: Grant
    Filed: January 15, 2011
    Date of Patent: September 13, 2011
    Assignee: Group-A Autosports, Inc.
    Inventors: David Hsu, Clinton Yee, Henry Immanuel Hsu
  • Small washer
    Patent number: D645337
    Type: Grant
    Filed: January 15, 2011
    Date of Patent: September 20, 2011
    Assignee: Group-A Autosports, Inc.
    Inventors: David Hsu, Clinton Yee, Henry Immanuel Hsu