Granted Patent
Utility
US 5,006,897 · App. 07/546,983
Determination of charge-to-mass ratio
Inventors:
Donald S. Rimai, Joseph F. Laukaitis, Mark C. Zaretsky, Bruno Primerano
Patented Case
View Patent ↗
Granted: Apr 9, 1991
Filed: Jul 2, 1990
Inventors
Donald S. Rimai
Joseph F. Laukaitis
Mark C. Zaretsky
Bruno Primerano
Assignee (at issue)
EASTMAN KODAK COMPANY
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.