Granted Patent
Utility
US 5,012,104 · App. 07/524,508
Thermally stable magnetic deflection assembly and method of making same
Inventor:
Lydia J. Young
Patented Case
View Patent ↗
Granted: Apr 30, 1991
Filed: May 17, 1990
Inventor
Lydia J. Young
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.