Granted Patent
Utility
US 5,723,488 · App. 08/687,435
Antiparasitic agents
Inventor:
Nigel Derek Arthur Walshe
Patented Case
View Patent ↗
Granted: Mar 3, 1998
Filed: Aug 12, 1996
Inventor
Nigel Derek Arthur Walshe
Assignee (at issue)
Pfizer 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.