Granted Patent
Utility
US 5,545,442 · App. 08/463,473
Method for using a radiation cured drug release controlling membrane
Inventors:
Gary Van Savage, James M. Clevenger
Patented Case
View Patent ↗
Granted: Aug 13, 1996
Filed: Jun 5, 1995
Inventors
Gary Van Savage
James M. Clevenger
Assignee (at issue)
Ciba-Geigy
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.