Granted Patent
Utility
US 4,296,238 · App. 06/147,084
2,6-Methano-3-benzazocines
Inventor:
William F. Michne
Patented Case
View Patent ↗
Granted: Oct 20, 1981
Filed: May 7, 1980
Inventor
William F. Michne
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.