Granted Patent
Utility
US 6,561,186 · App. 09/995,923
Dry powder medicament inhalator having an inhalation-activated flow diverting means for triggering delivery of medicament
Inventors:
Robert A. Casper, Frank A. Leith, David L. Gardner, John M. Snow, Zachary Wood Lyon, David Scott Farrar
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Nov 27, 2001
Inventors
Robert A. Casper
Frank A. Leith
David L. Gardner
John M. Snow
Zachary Wood Lyon
David Scott Farrar
Assignee (at issue)
Innovatio Devices LLC
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.