Granted Patent
Utility
US 6,232,328 · App. 08/925,372
Non-systemic control of parasites
Inventors:
Hubert Dorn, Terence Hopkins
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: Sep 8, 1997
Inventors
Hubert Dorn
Terence Hopkins
Assignee (at issue)
Bayer Aktiengesellschaft
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.