Granted Patent
Utility
US 4,996,199 · App. 07/199,801
Penetration enhancers for transdermal delivery of systemic agents
Inventors:
Gevork Minaskanian, James V. Peck
Patented Case
View Patent ↗
Granted: Feb 26, 1991
Filed: Jun 20, 1988
Inventors
Gevork Minaskanian
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.