Granted Patent
Utility
US 6,222,366 · App. 09/310,008
High frequency measuring circuit with inherent noise reduction for resonating chemical sensors
Inventor:
John Patrick Dilger
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: May 10, 1999
Inventor
John Patrick Dilger
Assignee (at issue)
Fisher Controls International 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.