Granted Patent
Utility
US 6,577,134 · App. 10/010,936
Sensor and sensor system for liquid conductivity, temperature and depth
Inventors:
Guy J. Farruggia, Allan B. Fraser
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Dec 6, 2001
Inventors
Guy J. Farruggia
Allan B. Fraser
Assignee (at issue)
Arete Associates
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.