Granted Patent
Utility
US 6,168,209 · App. 09/183,516
Keyed cap for gas outlet valve
Inventors:
Robert L. Cope, III, Roger Davis, David D. Seem, James D. Gomez, Phillip B. Plyler, Max E. Raby, Andrew J. Cisternino, Robert P. Dutlinger, Eric J. Kaplan, James E. Bullington
Patented Case
View Patent ↗
Granted: Jan 2, 2001
Filed: Oct 30, 1998
Inventors
Robert L. Cope, III
Roger Davis
David D. Seem
James D. Gomez
Phillip B. Plyler
Max E. Raby
Andrew J. Cisternino
Robert P. Dutlinger
Eric J. Kaplan
James E. Bullington
Assignee (at issue)
Hill-Rom Medaes, 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.