Granted Patent
Utility
US 6,684,427 · App. 10/327,422
Hospital bed and matress having a retractable foot section
Inventors:
E. David Allen, Kenneth L. Kramer, Peter M. Wukusick, Eric R. Meyer, Gregory W. Branson, David J. Ulrich, James M. C. Thomas, Paul M. McDaniel, III, Denis R. Zwink
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Dec 20, 2002
Inventors
E. David Allen
Kenneth L. Kramer
Peter M. Wukusick
Eric R. Meyer
Gregory W. Branson
David J. Ulrich
James M. C. Thomas
Paul M. McDaniel, III
Denis R. Zwink
Assignee (at issue)
HILL-ROM SERVICES, 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.