Granted Patent
Utility
US 5,288,710 · App. 07/862,035
"Stable salts of 4""-deoxy-4""-epi-methylamino avermectin Bla/Blb"
Inventor:
Raymond Cvetovich
Patented Case
View Patent ↗
Granted: Feb 22, 1994
Filed: Apr 2, 1992
Inventor
Raymond Cvetovich
Assignee (at issue)
MERCK & CO., 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.