Granted Patent
Utility
US 5,594,963 · App. 08/608,996
Pressure relief air mattress and related system
Inventor:
Steven A. Berkowitz
Patented Case
View Patent ↗
Granted: Jan 21, 1997
Filed: Mar 11, 1996
Inventor
Steven A. Berkowitz
Assignee (at issue)
Kinetic Concepts, 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.