Patents Assigned to Spectrum Systems, Inc.
  • Cuvette and cuvette cartridge for a chemical analyzer
    Patent number: 5292484
    Abstract: A disposable cuvette is molded of rigid transparent plastic resin that is impervious to liquids to be handled within it. The cuvette has a rectangular cross section. Identical side walls extend between upper and lower ends of each cuvette, the upper end being open for reception of liquids and the lower end being closed. Recessed optical surface areas at the lower end are perpendicular to one another for optical testing of the cuvette contents. An elongated cartridge holds a stack of abutting cuvettes to facilitate their handling.
    Type: Grant
    Filed: July 16, 1992
    Date of Patent: March 8, 1994
    Assignees: Spectrum Systems, Inc., Schiapparelli Biosystems, Inc.
    Inventors: Norman Kelln, Thomas Tiffany, Robin Olson, Bruce Weyrauch
  • Cuvette for a chemical analyzer
    Patent number: D353676
    Type: Grant
    Filed: July 16, 1992
    Date of Patent: December 20, 1994
    Assignees: Spectrum Systems, Inc., Schiaparelli Biosystems, Inc.
    Inventors: Norman Kelln, Thomas Tiffany, Robin Olson, Bruce Weyrauch