Granted Patent
Utility
US 5,286,749 · App. 07/597,110
Control of sheep ectoparasites
Inventors:
Peter John Kieran, Robert B. Townsend
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: Oct 12, 1990
Inventors
Peter John Kieran
Robert B. Townsend
Assignee (at issue)
Pitman-Moore, 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.