Granted Patent
Utility
US 6,701,168 · App. 10/111,831
Apparatus for measuring an oxygen concentration gradient and method of use thereof
Inventors:
David F. Wilson, Sergei A. Vinogradov
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Sep 27, 2002
Inventors
David F. Wilson
Sergei A. Vinogradov
Assignee (at issue)
The Trustees of the University of Pennsylvania
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.