Patents by Inventor David Tchao

David Tchao 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).

  • Device for the prevention of overdose by opiate and depressant users
    Patent number: 10441718
    Abstract: An automated wearable device measure physiological signals, and when parameters which cause the wearer to be at risk are measured, the device delivers an antidote for a given medical condition. This prevents overdose or medical conditions from occurring.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: October 15, 2019
    Inventor: David Tchao
  • Device for the Prevention of Overdose by Opiate and Depressant Users
    Publication number: 20170246390
    Abstract: An automated wearable device measure physiological signals, and when parameters which cause the wearer to be at risk are measured, the device delivers an antidote for a given medical condition. This prevents overdose or medical conditions from occuring.
    Type: Application
    Filed: February 25, 2016
    Publication date: August 31, 2017
    Inventor: David Tchao