Granted Patent
Utility
US 6,602,912 · App. 09/738,393
Transdermal administration of phenylpropanolamine
Inventors:
Tsung-Min Hsu, Russell Macy, Eric C. Luo
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Dec 14, 2000
Inventors
Tsung-Min Hsu
Russell Macy
Eric C. Luo
Assignee (at issue)
DERMATRENDS, 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.