Granted Patent
Utility
US 4,742,223 · App. 06/918,958
High resolution particle spectrometer
Inventor:
Lawrence L. Kesmodel
Patented Case
View Patent ↗
Granted: May 3, 1988
Filed: Oct 15, 1986
Inventor
Lawrence L. Kesmodel
Assignee (at issue)
THE TRUSTEES OF INDIANA UNIVERSITY
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.