Granted Patent
Utility
US 5,935,094 · App. 08/942,972
Pentosanpolysulfate coating for medical devices
Inventor:
Paul F. Zupkas
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: Oct 3, 1997
Inventor
Paul F. Zupkas
Assignee (at issue)
Uros Corporation and The Regents of The University of California
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.