Granted Patent
Utility
US 6,815,211 · App. 09/128,897
Oxygen monitoring methods and apparatus (I)
Inventors:
Perry R. Blazewicz, Leslie E. Mace, Jerry R. Apperson, Gamal Khalil
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Aug 4, 1998
Inventors
Perry R. Blazewicz
Leslie E. Mace
Jerry R. Apperson
Gamal Khalil
Assignee (at issue)
NTC Technology, 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.