Patents by Inventor Douglas R. Hillier

Douglas R. Hillier 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: 5284570
    Abstract: A fluid sample collector, sensing, and calibration device contains a collector like a syringe, with one or more analyte sensors, and a calibrator for calibrating the sensor. These can be pre-assembled and are particularly adapted to be disposable after a single use; the analyte sensor may be connected to a self-contained monitoring instrument or analyzer which processes the signals from the sensor and displays the information to the operator.
    Type: Grant
    Filed: June 26, 1991
    Date of Patent: February 8, 1994
    Assignee: PPG Industries, Inc.
    Inventors: Douglas R. Savage, Ronald E. Betts, Richard J. Koerner, Douglas R. Hillier