Granted Patent
Utility
US 4,902,898 · App. 07/186,510
Wand optics column and associated array wand and charged particle source
Inventors:
Gary W. Jones, Susan K. Schwartz Jones
Patented Case
View Patent ↗
Granted: Feb 20, 1990
Filed: Apr 26, 1988
Inventors
Gary W. Jones
Susan K. Schwartz Jones
Assignee (at issue)
Microelectronics Center of North Carolina
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.