Granted Patent
Utility
US 5,218,554 · App. 07/588,088
Fluid detection system with solid state inputs
Inventor:
Laurence S. Slocum
Patented Case
View Patent ↗
Granted: Jun 8, 1993
Filed: Sep 25, 1990
Inventor
Laurence S. Slocum
Assignee (at issue)
Emerson Electric Co.
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.