Granted Patent
Utility
US 5,557,263 · App. 08/104,122
System for detection of electrically conductive fluids
Inventors:
Larry F. Fisher, Oscar E. Johnson
Patented Case
View Patent ↗
Granted: Sep 17, 1996
Filed: Jul 20, 1993
Inventors
Larry F. Fisher
Oscar E. Johnson
Assignee (at issue)
Health Sense International, 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.