Granted Patent
Utility
US 5,540,733 · App. 08/310,140
Method and apparatus for detecting and treating obstructive sleep apnea
Inventors:
Roy L. Testerman, Donald J. Erickson, Ralph W. Bierbaum
Patented Case
View Patent ↗
Granted: Jul 30, 1996
Filed: Sep 21, 1994
Inventors
Roy L. Testerman
Donald J. Erickson
Ralph W. Bierbaum
Assignee (at issue)
Medtronic, 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.