Granted Patent
Utility
US 5,613,489 · App. 08/351,660
Patient respiratory system drug applicator
Inventors:
Warren C. Miller, Robert J. McKinnon
Patented Case
View Patent ↗
Granted: Mar 25, 1997
Filed: Dec 7, 1994
Inventors
Warren C. Miller
Robert J. McKinnon
Assignee (at issue)
WESTMED, 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.