Granted Patent
Utility
US 5,301,261 · App. 07/870,488
Pre-injection chromatographic sample sequencer
Inventors:
John S. Poole, L. Thompson Staats, III
Patented Case
View Patent ↗
Granted: Apr 5, 1994
Filed: Apr 16, 1992
Inventors
John S. Poole
L. Thompson Staats, III
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.