Granted Patent
Utility
US 6,695,759 · App. 10/271,138
Centrifuge buckets
Inventors:
Glenn M. Campbell, Jr., Douglas J. Kluge, Glenn Campbell, Ellen M. Heath, Ruth Shuman
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Oct 15, 2002
Inventors
Glenn M. Campbell, Jr.
Douglas J. Kluge
Glenn Campbell
Ellen M. Heath
Ruth Shuman
Assignee (at issue)
Gentra Systems, 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.