Granted Patent
Utility
US 4,294,263 · App. 06/075,253
System for detecting probe dislodgement
Inventor:
Benjamin L. Hochman
Patented Case
View Patent ↗
Granted: Oct 13, 1981
Filed: Sep 13, 1979
Inventor
Benjamin L. Hochman
Assignee (at issue)
Air-Shields, 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.