Granted Patent
Utility
US 6,417,008 · App. 09/845,304
Tube bottom sensing for small fluid samples
Inventors:
William T. Tyberg, Arthur L. Babson
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: May 1, 2001
Inventors
William T. Tyberg
Arthur L. Babson
Assignee (at issue)
DPC Cirrus, 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.