Granted Patent
Utility
US 6,489,172 · App. 09/477,875
Saliva sampling device
Inventors:
Steven S. Bachand, Lee Huu Nguyen, Geoffrey R. Anderson
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Jan 5, 2000
Inventors
Steven S. Bachand
Lee Huu Nguyen
Geoffrey R. Anderson
Assignee (at issue)
Varian, 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.