Granted Patent
Utility
US 6,564,412 · App. 10/090,722
Mattress
Inventors:
Alan Henley, Dana H. Delk, Robert C. Novack, James J. Romano
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Mar 4, 2002
Inventors
Alan Henley
Dana H. Delk
Robert C. Novack
James J. Romano
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.