Granted Patent
Utility
US 5,341,801 · App. 07/983,012
Inhaler
Inventor:
Kurt Zechner
Patented Case
View Patent ↗
Granted: Aug 30, 1994
Filed: Nov 30, 1992
Inventor
Kurt Zechner
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.