Granted Patent
Utility
US 5,662,925 · App. 08/638,440
Transdermal delivery system with adhesive overlay and peel seal disc
Inventors:
Charles D. Ebert, Werner Heiber, William R. Good, Srinivasan Venkateshwaran
Patented Case
View Patent ↗
Granted: Sep 2, 1997
Filed: Apr 26, 1996
Inventors
Charles D. Ebert
Werner Heiber
William R. Good
Srinivasan Venkateshwaran
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.