Granted Patent
Utility
US 5,781,949 · App. 08/852,361
Rotational therapy apparatus for a bed
Inventors:
Matthew W. Weismiller, David J. Ulrich, Jay Butterbrodt, Kenneth L. Kramer, Jason C. Brooke, Eric R. Meyer, Gregory W. Branson, James M. C. Thomas
Patented Case
View Patent ↗
Granted: Jul 21, 1998
Filed: May 7, 1997
Inventors
Matthew W. Weismiller
David J. Ulrich
Jay Butterbrodt
Kenneth L. Kramer
Jason C. Brooke
Eric R. Meyer
Gregory W. Branson
James M. C. Thomas
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.