Granted Patent
Utility
US 5,317,769 · App. 07/974,256
Hospital bed
Inventors:
Matthew W. Weismiller, David J. Pleiman, Kenneth L. Kramer
Patented Case
View Patent ↗
Granted: Jun 7, 1994
Filed: Nov 10, 1992
Inventors
Matthew W. Weismiller
David J. Pleiman
Kenneth L. Kramer
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.