Granted Patent
Utility
US 6,403,653 · App. 09/871,747
Active topical skin protectants using reactive nanoparticles
Inventors:
Stephen T. Hobson, Ernest H. Braue, Jr., Erich K. Lehnert, Kenneth J. Klabunde, Olga Koper, Shawn Decker
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Jun 1, 2001
Inventors
Stephen T. Hobson
Ernest H. Braue, Jr.
Erich K. Lehnert
Kenneth J. Klabunde
Olga Koper
Shawn Decker
Assignees (at issue)
The United States of America as represented by the Secretary of the Army
NanoScale Materials, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.