Granted Patent
Utility
US 6,081,065 · App. 08/430,155
Pumping system
Inventors:
Fredrick Alan Nabity, Paul George Wright, Raymond Hulinsky, Douglas T. Carson
Patented Case
View Patent ↗
Granted: Jun 27, 2000
Filed: Apr 26, 1995
Inventors
Fredrick Alan Nabity
Paul George Wright
Raymond Hulinsky
Douglas T. Carson
Assignee (at issue)
Isco, 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.