Granted Patent
Utility
US 4,646,069 · App. 06/747,714
Fluid detection system
Inventors:
Raymond J. Andrejasich, Roy E. Kidd
Patented Case
View Patent ↗
Granted: Feb 24, 1987
Filed: Jun 24, 1985
Inventors
Raymond J. Andrejasich
Roy E. Kidd
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.