Granted Patent
Utility
US 5,773,971 · App. 08/689,427
Three electrode AC detection
Inventor:
Russell E. Tavernetti
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Aug 8, 1996
Inventor
Russell E. Tavernetti
Assignee (at issue)
Zircon Corporation
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.