Granted Patent
Utility
US 6,722,359 · App. 09/917,898
Apparatus for assistance for venting a patient
Inventor:
Philippe Auguste Chalvignac
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Jul 31, 2001
Inventor
Philippe Auguste Chalvignac
Assignee (at issue)
Societe d'Applications Industrielles Medicales et Electronique (Saime)
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.