Granted Patent
Utility
US 5,483,709 · App. 08/221,633
Low air loss mattress with rigid internal bladder and lower air pallet
Inventors:
L. Dale Foster, Ryan A. Reeder
Patented Case
View Patent ↗
Granted: Jan 16, 1996
Filed: Apr 1, 1994
Inventors
L. Dale Foster
Ryan A. Reeder
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.