Patents by Inventor John Maples

John Maples 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).

  • Patent number: 5342754
    Abstract: The invention describes the preparation of non-infectious control cells from normal, non-infectious, non-disease altered blood by depletion or augmentation of one or more cell types found in normal blood to reflect a specific disease state. The control cells so produced are preserved and thereafter reconstituted for use in immunological assays.
    Type: Grant
    Filed: September 14, 1992
    Date of Patent: August 30, 1994
    Assignee: Coulter Corporation
    Inventors: John A. Maples, Robert H. Raynor, Olavi Siiman, Melissa J. Stiglitz, Stephen F. Healy, Jr.