Granted Patent
Utility
US 4,878,456 · App. 07/103,906
Animal tail tag for insecticide protection
Inventor:
Steve R. Howe
Patented Case
View Patent ↗
Granted: Nov 7, 1989
Filed: Oct 2, 1987
Inventor
Steve R. Howe
Assignee (at issue)
An-Tech International Livestock Products
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.