Granted Patent
Utility
US 6,131,868 · App. 08/778,961
Hospital bed communication and control device
Inventors:
Jeffrey R. Welling, Michael E. Poehner
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Jan 6, 1997
Inventors
Jeffrey R. Welling
Michael E. Poehner
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.