Granted Patent
Utility
US 5,429,728 · App. 08/125,878
Electroosmotic flow control using back pressure in capillary electrophoresis
Inventor:
Gary B. Gordon
Patented Case
View Patent ↗
Granted: Jul 4, 1995
Filed: Sep 23, 1993
Inventor
Gary B. Gordon
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.