Granted Patent
Utility
US 6,575,010 · App. 09/997,317
Method and system for detecting and cross-checking faulty sensors in liquid level indicators and controllers
Inventors:
Mark Colman, Thomas Lee
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Nov 29, 2001
Inventors
Mark Colman
Thomas Lee
Assignee (at issue)
Clark Reliance LLC
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.