Granted Patent
Utility
US 4,862,529 · App. 07/218,293
Hospital bed convertible to chair
Inventor:
William H. Peck
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Jul 13, 1988
Inventor
William H. Peck
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.