Granted Patent
Utility
US 6,152,189 · App. 08/040,117
Sampler
Inventors:
Paul George Wright, Lowell Robert Nickolaus, Paul Thees Busboom, Jerome John Kazakevicius, John D. Hull, Ralph E. Setter
Patented Case
View Patent ↗
Granted: Nov 28, 2000
Filed: Mar 30, 1993
Inventors
Paul George Wright
Lowell Robert Nickolaus
Paul Thees Busboom
Jerome John Kazakevicius
John D. Hull
Ralph E. Setter
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.