Granted Patent
Utility
US 6,599,252 · App. 09/864,806
Method and apparatus for anatomical deadspace measurement
Inventor:
Eric W. Starr
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: May 24, 2001
Inventor
Eric W. Starr
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.