Granted Patent
Utility
US 6,635,885 · App. 09/764,591
Apparatus for delivering calibration compounds to mass spectrometers and method
Inventors:
Edward B. McCauley, George B. Guckenberger
Patented Case
View Patent ↗
Granted: Oct 21, 2003
Filed: Jan 17, 2001
Inventors
Edward B. McCauley
George B. Guckenberger
Assignee (at issue)
Thermo Finnigan LLC
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.