Granted Patent
Utility
US 5,692,256 · App. 08/511,546
Mattress for a hospital bed
Inventors:
Kenneth L. Kramer, Jason C. Brooke, Eric R. Meyer, Gregory W. Branson, David J. Ulrich
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Aug 4, 1995
Inventors
Kenneth L. Kramer
Jason C. Brooke
Eric R. Meyer
Gregory W. Branson
David J. Ulrich
Assignee (at issue)
HILL-ROM, 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.