Granted Patent
Utility
US 5,193,532 · App. 07/687,923
Device for generating by means of ejector action a continuous positive airway pressure (CPAP) during spontaneous breathing
Inventors:
Conny P. G. Moa, Kjell Nilsson
Patented Case
View Patent ↗
Granted: Mar 16, 1993
Filed: Jul 23, 1991
Inventors
Conny P. G. Moa
Kjell Nilsson
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.