Granted Patent
Utility
US 6,250,153 · App. 09/138,855
Continuous, non-metallic, media sensors for corrosive environments
Inventors:
Timothy R. Collins, Michael L. Henning
Patented Case
View Patent ↗
Granted: Jun 26, 2001
Filed: Aug 24, 1998
Inventors
Timothy R. Collins
Michael L. Henning
Assignee (at issue)
Sensor Measurement Technology
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.