Granted Patent
Utility
US 6,148,680 · App. 09/310,734
Sample injector for a high-pressure liquid chromatograph
Inventors:
Martin Baeuerle, Peter Stemer
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: May 12, 1999
Inventors
Martin Baeuerle
Peter Stemer
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.