Granted Patent
Utility
US 5,785,049 · App. 08/309,691
Method and apparatus for dispersion of dry powder medicaments
Inventors:
Adrian Edward Smith, John D. Burr, Jeffery W. Etter, George S. Axford, Shirley W. Lyons, Robert M. Platz
Patented Case
View Patent ↗
Granted: Jul 28, 1998
Filed: Sep 21, 1994
Inventors
Adrian Edward Smith
John D. Burr
Jeffery W. Etter
George S. Axford
Shirley W. Lyons
Robert M. Platz
Assignee (at issue)
Inhale Therapeutic Systems, 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.