Patents by Inventor Donald Nwankwo

Donald Nwankwo 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).

  • Cloning restriction and modification genes
    Patent number: 5180673
    Abstract: Methods for cloning restriction enzymes and their corresponding modification enzymes by selecting clones resistant to in vitro digestion by the restriction enzyme and subsequent screening to identify those clones containing the restriction gene.
    Type: Grant
    Filed: March 13, 1989
    Date of Patent: January 19, 1993
    Assignee: New England Biolabs, Inc.
    Inventors: Geoffrey G. Wilson, Donald Nwankwo