Granted Patent
Utility
US 4,666,441 · App. 06/810,102
Multicompartmentalized transdermal patches
Inventors:
Robert Andriola, Donald J. Moore, Henning Asche
Patented Case
View Patent ↗
Granted: May 19, 1987
Filed: Dec 17, 1985
Inventors
Robert Andriola
Donald J. Moore
Henning Asche
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.