Patents by Inventor Gregory Yin-Ming Cheng

Gregory Yin-Ming Cheng 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: 6092321
    Abstract: An identity tag contains a label that is pierced (or otherwise marked) when the tag in fitted to a patient. This marking indicates that a proper procedure has been carried out before the label was removed from the tag for use on a patient's body sample.
    Type: Grant
    Filed: August 18, 1998
    Date of Patent: July 25, 2000
    Assignee: Victor Ka Shun Chu
    Inventor: Gregory Yin-Ming Cheng