Granted Patent
Utility
US 6,684,434 · App. 10/309,469
Mattress assembly
Inventors:
Craig D. Ellis, Leigh Marie Moses, Kenith W. Chambers, Stephen E. Glover
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Dec 4, 2002
Inventors
Craig D. Ellis
Leigh Marie Moses
Kenith W. Chambers
Stephen E. Glover
Assignee (at issue)
HILL-ROM SERVICES, 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.