Granted Patent
Utility
US 4,751,476 · App. 07/099,314
Detector device and method for distinguishing between fluids having different dielectric properties
Inventor:
Robert S. Meijer
Patented Case
View Patent ↗
Granted: Jun 14, 1988
Filed: Sep 21, 1987
Inventor
Robert S. Meijer
Assignee (at issue)
Fisher Scientific Company, L.L.C.
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.