Granted Patent
Utility
US 6,734,964 · App. 09/998,273
Pulsed, atmospheric pressure plasma source for emission spectrometry
Inventors:
Yixiang Duan, Zhe Jin, Yongxuan Su
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Nov 30, 2001
Inventors
Yixiang Duan
Zhe Jin
Yongxuan Su
Assignee (at issue)
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
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.