Granted Patent
Utility
US 4,651,731 · App. 06/650,548
Self-contained portable single patient ventilator/resuscitator
Inventors:
Reno L. Vicenzi, William K. Ansite
Patented Case
View Patent ↗
Granted: Mar 24, 1987
Filed: Sep 17, 1984
Inventors
Reno L. Vicenzi
William K. Ansite
Assignee (at issue)
Figgie Inernational 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.