Granted Patent
Utility
US 5,790,997 · App. 08/511,308
Table/chair egress device
Inventor:
John W. Ruehl
Patented Case
View Patent ↗
Granted: Aug 11, 1998
Filed: Aug 4, 1995
Inventor
John W. Ruehl
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.