Granted Patent
Utility
US 4,907,308 · App. 07/274,273
Heat exchange system for inflatable patient support appliances
Inventors:
Peter A. Leininger, Mohamad A. Hajianpour
Patented Case
View Patent ↗
Granted: Mar 13, 1990
Filed: Nov 21, 1988
Inventors
Peter A. Leininger
Mohamad A. Hajianpour
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.