Granted Patent
Utility
US 5,922,354 · App. 08/853,618
Methods and system for processing dispersible fine powders
Inventors:
Keith Johnson, Marc S. Gordon, Shirley W. Lyons
Patented Case
View Patent ↗
Granted: Jul 13, 1999
Filed: May 9, 1997
Inventors
Keith Johnson
Marc S. Gordon
Shirley W. Lyons
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.