Granted Patent
Utility
US 6,698,422 · App. 10/084,215
Canister inhaler having a spacer and easy to operate lever mechanism and a flexible, elastic mouthpiece
Inventors:
Eric Fugelsang, Martin F. Muszak
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Feb 25, 2002
Inventors
Eric Fugelsang
Martin F. Muszak
Assignee (at issue)
Birdsong Medical Devices, 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.