Granted Patent
Utility
US 4,870,109 · App. 07/123,453
Control of ectoparasites
Inventors:
Rudolph J. Boisvenue, Gary D. Crouse
Patented Case
View Patent ↗
Granted: Sep 26, 1989
Filed: Nov 20, 1987
Inventors
Rudolph J. Boisvenue
Gary D. Crouse
Assignee (at issue)
Eli Lilly and Company
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.