Patents by Inventor Sonja Andrea Schiefer

Sonja Andrea Schiefer 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).

  • Protective two position shell for an infrared thermometer
    Patent number: 5991652
    Abstract: An infrared thermometer is disclosed comprising a first housing member having an interior chamber, and housing a sensor mounted within the chamber for sensing temperature change and generating an indicative electrical signal, means for directing infrared radiation from the object to be measured to the sensor, a shutter assembly for controlling the passing of infrared radiation to the sensor, an ambient temperature sensor for sensing ambient temperature within the interior chamber and generating an electrical signal indicative thereof, an electrical circuit for processing the electrical signals to calculate the temperature of the object to be measured, and an indicator for indicating the calculated temperature. A second hollow housing member operatively connected to the first housing member by a hinge.
    Type: Grant
    Filed: March 17, 1997
    Date of Patent: November 23, 1999
    Assignee: Thermoscan Inc.
    Inventors: Matthew Barthelemy, Stuart Seydo Kurdi, Sonja Andrea Schiefer, Stephen George Zmina
  • Consumer IR thermometer
    Patent number: D396421
    Type: Grant
    Filed: March 17, 1997
    Date of Patent: July 28, 1998
    Inventors: Matthew Barthelemy, Stuart Seydo Kurdi, Sonja Andrea Schiefer, Stephen George Zmina
  • Consumer IR thermometer
    Patent number: D410857
    Type: Grant
    Filed: July 28, 1998
    Date of Patent: June 15, 1999
    Inventors: Matthew Barthelemy, Stuart Seydo Kurdi, Sonja Andrea Schiefer, Stephen George Zmina