Patents by Inventor Daniel Gratiot

Daniel Gratiot 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).

  • Liquid control system for diagnostic cartridges used in analytical instruments
    Patent number: 5279791
    Abstract: A liquid control system for a diagnostic cartridge that is insertable into an analytical instrument, which has a liquid control region located at a border between interior and exterior surfaces of the cartridge when the cartridge is inserted into a slot in the analytical instrument, wherein the region is adapted to fit with an edge formed by exterior surfaces of the analytical instrument and the slot, thereby providing a capillary gap at the edge having a gap width smaller than any gap width of any space contiguous to the gap in the interior of the slot when the cartridge is inserted in the instrument.
    Type: Grant
    Filed: January 19, 1993
    Date of Patent: January 18, 1994
    Assignee: Biotrack, Inc.
    Inventors: William Aldrich, Daniel Gratiot