Patents by Inventor David Dunsmore

David Dunsmore 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).

  • Medical device having a smooth, hardened surface
    Publication number: 20050164041
    Abstract: The surface of a medical device is treated by exposure to a gas at a pressure less than atmospheric pressure to produce a hardened, minimally abrasive surface layer substantially comprising chromium nitride.
    Type: Application
    Filed: January 29, 2004
    Publication date: July 28, 2005
    Inventors: David Dunsmore, Hubert Patrovsky