Granted Patent
Utility
US 4,622,963 · App. 06/722,440
Self-contained portable single patient ventilator/resuscitator
Inventor:
William K. Ansite
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: Apr 15, 1985
Inventor
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.