Granted Patent
Utility
US 6,500,436 · App. 09/922,093
Clostridial toxin derivatives and methods for treating pain
Inventor:
Stephen Donovan
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Aug 3, 2001
Inventor
Stephen Donovan
Assignee (at issue)
Allergan, 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.