Granted Patent
Utility
US 5,925,372 · App. 07/725,222
Mixed solvent mutually enhanced transdermal therapeutic system
Inventors:
Bret Berner, Charles D. Ebert, Gerard C. Mazzenga, John H. Otte
Patented Case
View Patent ↗
Granted: Jul 20, 1999
Filed: Jun 26, 1991
Inventors
Bret Berner
Charles D. Ebert
Gerard C. Mazzenga
John H. Otte
Assignee (at issue)
NOVARTIS AG
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.