Granted Patent
Utility
US 4,337,260 · App. 06/300,824
Imidazopyridine-spiro-piperidine compounds
Inventors:
Chiaki Tashiro, Ichiro Horii
Patented Case
View Patent ↗
Granted: Jun 29, 1982
Filed: Sep 10, 1981
Inventors
Chiaki Tashiro
Ichiro Horii
Assignee (at issue)
Yoshitomi Pharmaceutical Industries, Ltd.
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.