Patents by Inventor Michael J. Wraith

Michael J. Wraith 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).

  • Marking of products to establish identity and source
    Patent number: 5429952
    Abstract: In general, the invention features a method of marking a product for identification in which a low molecular weight hapten is associated with the product as a marker, where the hapten is non-deleterious to the product, inert with respect to the product, and not already associated with the product.
    Type: Grant
    Filed: August 20, 1993
    Date of Patent: July 4, 1995
    Assignee: Biocode, Inc.
    Inventors: Ronald C. Garner, Carl N. Martin, Michael J. Wraith, David W. Britton