Granted Patent
Utility
US 6,362,175 · App. 08/137,624
Porphyrin compounds for imaging tissue oxygen
Inventors:
Sergei A. Vinogradov, David F. Wilson
Patented Case
View Patent ↗
Granted: Mar 26, 2002
Filed: Oct 15, 1993
Inventors
Sergei A. Vinogradov
David F. Wilson
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.