Granted Patent
Utility
US 6,640,806 · App. 10/368,710
Automatic slope adjustment for bi-levelpressure support system
Inventor:
Gregory Yurko
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Feb 19, 2003
Inventor
Gregory Yurko
Assignee (at issue)
Respironics, 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.