Granted Patent
Utility
US 6,813,019 · App. 09/958,458
Method and apparatus for spectrochemical analysis
Inventors:
Michael Ron Hammer, Philip Valmont Wilson, Mark Williams, Dower C. Bricker, Martin K. Masters, Stewart R. Campbell, Peter Layton
Patented Case
View Patent ↗
Granted: Nov 2, 2004
Filed: Oct 5, 2001
Inventors
Michael Ron Hammer
Philip Valmont Wilson
Mark Williams
Dower C. Bricker
Martin K. Masters
Stewart R. Campbell
Peter Layton
Assignee (at issue)
Varian Australia Pty Ltd
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.