Granted Patent
Utility
US 5,603,133 · App. 08/390,233
Apparatus for alternating pressure of a low air loss patient support system
Inventor:
John H. Vrzalik
Patented Case
View Patent ↗
Granted: Feb 18, 1997
Filed: Feb 17, 1995
Inventor
John H. Vrzalik
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.