Granted Patent
Utility
US 4,294,840 · App. 06/071,774
Ketazocine anesthetic method of use
Inventor:
Alfred E. Farah
Patented Case
View Patent ↗
Granted: Oct 13, 1981
Filed: Aug 31, 1979
Inventor
Alfred E. Farah
Assignee (at issue)
Sterling Drug, 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.