Granted Patent
Utility
US 4,910,193 · App. 07/090,986
Treatment of gastrointestinal disorders
Inventor:
Karl-Heinz Buchheit
Patented Case
View Patent ↗
Granted: Mar 20, 1990
Filed: Aug 28, 1987
Inventor
Karl-Heinz Buchheit
Assignee (at issue)
Sandoz AG
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.