Granted Patent
Utility
US 4,803,744 · App. 07/052,676
Inflatable bed
Inventors:
William H. Peck, Michael E. Poehner
Patented Case
View Patent ↗
Granted: Feb 14, 1989
Filed: May 19, 1987
Inventors
William H. Peck
Michael E. Poehner
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.