Granted Patent
Utility
US 4,482,967 · App. 06/303,546
Conductivity detector and method
Inventors:
Barton Evans, Jr., James B. Stolz
Patented Case
View Patent ↗
Granted: Nov 13, 1984
Filed: Sep 18, 1981
Inventors
Barton Evans, Jr.
James B. Stolz
Assignee (at issue)
Dionex 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.