Granted Patent
Utility
US 5,739,964 · App. 08/409,251
Magnification correction for small field scanning
Inventor:
Paul C. Allen
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Mar 22, 1995
Inventor
Paul C. Allen
Assignee (at issue)
ETEC SYSTEMS, 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.