Granted Patent
Utility
US 4,496,492 · App. 06/515,434
Substituted phenylalkyl compounds
Inventor:
Wendell Wierenga
Patented Case
View Patent ↗
Granted: Jan 29, 1985
Filed: Jul 19, 1983
Inventor
Wendell Wierenga
Assignee (at issue)
The Upjohn Co.
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.