Granted Patent
Utility
US 4,544,847 · App. 06/518,167
Multi-gap magnetic imaging lens for charged particle beams
Inventor:
Norman J. Taylor
Patented Case
View Patent ↗
Granted: Oct 1, 1985
Filed: Jul 28, 1983
Inventor
Norman J. Taylor
Assignee (at issue)
Varian, Inc.
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.