Patents by Inventor John Spencer Stovold

John Spencer Stovold 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).

  • Process and apparatus for cell sorting
    Patent number: 5914262
    Abstract: A method of distinguishing between microorganisms having different attributes comprises the steps of: encapsulating one or more cells within a polymeric bead; incubating the cell(s) within the bead in a growth-supporting medium for a time period sufficient for multiplication of viable cells within the bead; then non-invasively physically examining the bead or the adjacent vicinity of the bead for physical characteristics associated with the differing attributes of cells within the bead. Various forms of apparatus for carrying out the process are descried.
    Type: Grant
    Filed: June 21, 1996
    Date of Patent: June 22, 1999
    Assignee: SmithKline Beecham p.l.c.
    Inventors: Donald Bruce Atherton MacMichael, David Drake, Stephen Adrian Arlington, Ian David Normansell, John Kenneth Addicott, Moira Sloan Divers, John Spencer Stovold