Granted Patent
Utility
US 5,740,794 · App. 08/487,184
Apparatus and methods for dispersing dry powder medicaments
Inventors:
Adrian Edward Smith, John D. Burr, Jeffrey W. Etter, George S. Axford, Jack M. Anthony
Patented Case
View Patent ↗
Granted: Apr 21, 1998
Filed: Jun 7, 1995
Inventors
Adrian Edward Smith
John D. Burr
Jeffrey W. Etter
George S. Axford
Jack M. Anthony
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.