Granted Patent
Utility
US 5,118,692 · App. 07/625,189
Penetration enhances for transdermal delivery of systemic agents
Inventor:
James V. Peck
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: Dec 10, 1990
Inventor
James V. Peck
Assignee (at issue)
Whitby Research, 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.