Granted Patent
Utility
US 6,357,442 · App. 09/181,150
Inhalation actuated device for use with metered dose inhalers (MDIS)
Inventors:
Robert A. Casper, Frank A. Leith, David L. Gardner, John M. Snow, Zachary Wood Lyon
Patented Case
View Patent ↗
Granted: Mar 19, 2002
Filed: Oct 27, 1998
Inventors
Robert A. Casper
Frank A. Leith
David L. Gardner
John M. Snow
Zachary Wood Lyon
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.