Granted Patent
Utility
US 6,298,732 · App. 09/576,865
Method of detecting corrosion in pipelines and the like by comparative pulse propagation analysis
Inventor:
Gale D. Burnett
Patented Case
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Granted: Oct 9, 2001
Filed: May 22, 2000
Inventor
Gale D. Burnett
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.