Granted Patent
Utility
US 5,164,190 · App. 07/626,685
Subsaturated transdermal drug delivery device exhibiting enhanced drug flux
Inventors:
Dinesh C. Patel, Charles D. Ebert
Patented Case
View Patent ↗
Granted: Nov 17, 1992
Filed: Dec 11, 1990
Inventors
Dinesh C. Patel
Charles D. Ebert
Assignee (at issue)
TheraTech, 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.