Granted Patent
Utility
US 5,613,255 · App. 08/363,899
Hospital bed having scissors lifting apparatus
Inventors:
Michael P. Bish, William M. Blyshak, Donald E. Smith, Jonathan D. Turner
Patented Case
View Patent ↗
Granted: Mar 25, 1997
Filed: Dec 27, 1994
Inventors
Michael P. Bish
William M. Blyshak
Donald E. Smith
Jonathan D. Turner
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.