Granted Patent
Utility
US 5,957,125 · App. 08/963,880
Apparatus for indicating proper orientation for oral and nasal inhalers
Inventors:
William E. Sagstetter, Ewan R. Grantham, Alan Wanderer
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: Nov 4, 1997
Inventors
William E. Sagstetter
Ewan R. Grantham
Alan Wanderer
Assignee (at issue)
Medical Safety Products, 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.