Granted Patent
Utility
US 5,898,308 · App. 08/938,988
Time-based method and device for determining the dielectric constant of a fluid
Inventor:
James R. Champion
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Sep 26, 1997
Inventor
James R. Champion
Assignee (at issue)
Teleflex Incorporated
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.