Granted Patent
Utility
US 5,879,690 · App. 08/851,222
Topical administration of catecholamines and related compounds to subcutaneous muscle tissue using percutaneous penetration enhancers
Inventor:
Nicholas V. Perricone
Patented Case
View Patent ↗
Granted: Mar 9, 1999
Filed: May 5, 1997
Inventor
Nicholas V. Perricone
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.