Granted Patent
Utility
US 6,037,587 · App. 08/951,951
Chemical ionization source for mass spectrometry
Inventors:
Jerry T. Dowell, Jeffery S. Hollis, Charles W. Russ, IV
Patented Case
View Patent ↗
Granted: Mar 14, 2000
Filed: Oct 17, 1997
Inventors
Jerry T. Dowell
Jeffery S. Hollis
Charles W. Russ, IV
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.