Granted Patent
Utility
US 6,290,909 · App. 09/548,475
Sample injector for high pressure liquid chromatography
Inventors:
Phillip H. Paul, Don W. Arnold, David W. Neyer
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Apr 13, 2000
Inventors
Phillip H. Paul
Don W. Arnold
David W. Neyer
Assignee (at issue)
Sandia Corporation
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.