Granted Patent
Utility
US 6,491,615 · App. 09/637,777
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Inventors:
Glenn M. Campbell, Jr., Douglas J. Kluge, Glenn Campbell, Ellen M. Heath, Ruth Shuman
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Aug 11, 2000
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.