Patents by Inventor David Kwan-Kit Orr

David Kwan-Kit Orr 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: D612503
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: March 23, 2010
    Assignee: Response Biomedical Corporation
    Inventors: Robert Johnston, David Kwan-Kit Orr
  • Patent number: D612514
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: March 23, 2010
    Assignee: Response Biomedical Corporation
    Inventors: Robert Johnston, David Kwan-Kit Orr