Granted Patent
Utility
US 6,408,848 · App. 09/537,028
Method and apparatus for conveniently setting a predetermined volume for re-breathing
Inventors:
Barry J. Feldman, Anthony T. Pierry, William J. Wohltmann, John A. Triunfo, Jr.
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Mar 28, 2000
Inventors
Barry J. Feldman
Anthony T. Pierry
William J. Wohltmann
John A. Triunfo, Jr.
Assignee (at issue)
NTC Technology, 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.