Granted Patent
Utility
US 4,472,847 · App. 06/392,209
Patient treating mattress
Inventors:
Clifford E. Gammons, Francis C. Moore, Kenneth L. Pagel, Barry N. Jackson
Patented Case
View Patent ↗
Granted: Sep 25, 1984
Filed: Jun 25, 1982
Inventors
Clifford E. Gammons
Francis C. Moore
Kenneth L. Pagel
Barry N. Jackson
Assignee (at issue)
American Hospital Supply Corp.
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.