Granted Patent
Utility
US 6,040,573 · App. 08/937,729
Electric field generation for charged particle analyzers
Inventors:
C. Ray Sporleder, David E. Clemmer
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Sep 25, 1997
Inventors
C. Ray Sporleder
David E. Clemmer
Assignee (at issue)
Indiana University, Advanced Research and Technology Institute
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.