Granted Patent
Utility
US 4,858,611 · App. 07/057,492
Sensing system and method for sensing minute ventilation
Inventor:
Clyde D. Elliott
Patented Case
View Patent ↗
Granted: Aug 22, 1989
Filed: Jun 3, 1987
Inventor
Clyde D. Elliott
Assignee (at issue)
Dimed, Incorporated
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.