Patents by Inventor Russell C. Drew

Russell C. Drew 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).

  • Miniaturized mass spectrometer system
    Patent number: 5313061
    Abstract: A portable analytical grade mass spectrometer system contained in a single enclosure is disclosed for use in analyzing atmospheric, water, soil, drugs, explosives and other substances and includes a gas chromatograph and a mass analyzer assembly enclosed within a vacuum housing, a vacuum pump, and an on-board computer such that an operator, by means of an attached keyboard, can input data and information, and input a sample to be analyzed, and thereby operate the miniaturized mass spectrometer system.
    Type: Grant
    Filed: December 6, 1991
    Date of Patent: May 17, 1994
    Assignee: Viking Instrument
    Inventors: Russell C. Drew, Thomas J. Kuehn