Granted Patent
Utility
US 4,227,015 · App. 06/012,202
Substituted phenylvinyl cyclopropyl ketones
Inventor:
Joseph C. Collins
Patented Case
View Patent ↗
Granted: Oct 7, 1980
Filed: Feb 14, 1979
Inventor
Joseph C. Collins
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.