Patents by Inventor Mark P. Marplott

Mark P. Marplott 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).

  • Automated system for providing a sequence of chemicals to a reaction process
    Patent number: 5273715
    Abstract: An automated system for providing a preselected sequence of chemicals to a reaction. This apparatus includes a track on which a set of cartridges are placed in a preselected order corresponding to an order in which they are to be used in a reaction process. These cartridges are moved past a point at which these chemicals are extracted for use in the process. The chemicals are preferably in liquid form and are contained in containing having a top seal through which a needle can penetrate to extract chemicals for use in the process. These containers preferably contain the aliquot portion needed for the process, thereby providing a mechanism for providing accurate amounts of each chemical to the process.
    Type: Grant
    Filed: November 6, 1992
    Date of Patent: December 28, 1993
    Assignee: Applied Biosystems, Inc.
    Inventors: John Bridgham, Timothy G. Geiser, Michael W. Hunkapiller, Stephen B. H. Kent, Mark P. Marplott, Paul O. Ramstad