Granted Patent
Utility
US 5,423,966 · App. 08/186,080
On line ion contaminant removal apparatus and method for capillary electrophoresis
Inventor:
John E. Wiktorowicz
Patented Case
View Patent ↗
Granted: Jun 13, 1995
Filed: Feb 15, 1994
Inventor
John E. Wiktorowicz
Assignee (at issue)
PerkinElmer, Inc.
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.