Granted Patent
Utility
US 4,876,265 · App. 07/275,254
Process and compositions for controlling mites parasitizing on honey bees
Inventor:
Wolfgang Schmid
Patented Case
View Patent ↗
Granted: Oct 24, 1989
Filed: Nov 23, 1988
Inventor
Wolfgang Schmid
Assignee (at issue)
Ciba-Geigy
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.