Granted Patent
Utility
US 5,948,433 · App. 08/918,526
Transdermal patch
Inventors:
Scott A. Burton, Shahnaz Tata
Patented Case
View Patent ↗
Granted: Sep 7, 1999
Filed: Aug 21, 1997
Inventors
Scott A. Burton
Shahnaz Tata
Assignee (at issue)
Bertek, 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.