Granted Patent
Utility
US 6,626,176 · App. 09/763,295
Method and device for switching the inspiration or expiration phase during CPAP therapy
Inventors:
Stefan Madaus, Harald Vogele, Jutta Griebel
Patented Case
View Patent ↗
Granted: Sep 30, 2003
Filed: Apr 12, 2001
Inventors
Stefan Madaus
Harald Vogele
Jutta Griebel
Assignee (at issue)
MAP Medizintechnik fur Arzt und Patient GmbH & Co. KG
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.