Granted Patent
Utility
US 4,586,033 · App. 06/579,431
Fluid detection system
Inventor:
Raymond J. Andrejasich
Patented Case
View Patent ↗
Granted: Apr 29, 1986
Filed: Feb 13, 1984
Inventor
Raymond J. Andrejasich
Assignee (at issue)
Emhart Industries, 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.