Granted Patent
Utility
US 4,870,083 · App. 07/254,208
1,4-Disubstituted-piperidinyl compounds useful as analgesics and muscle relaxants
Inventors:
Albert A. Carr, Thaddeus Nieduzak, Francis P. Miller, Stephen M. Sorensen
Patented Case
View Patent ↗
Granted: Sep 26, 1989
Filed: Oct 11, 1988
Inventors
Albert A. Carr
Thaddeus Nieduzak
Francis P. Miller
Stephen M. Sorensen
Assignee (at issue)
Merrell Dow Pharmaceuticals 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.