Granted Patent
Utility
US 6,002,209 · App. 08/922,759
Field emission device with auto-activation feature
Inventors:
Wen-Chun Wang, Tzung-Zu Yang
Patented Case
View Patent ↗
Granted: Dec 14, 1999
Filed: Sep 3, 1997
Inventors
Wen-Chun Wang
Tzung-Zu Yang
Assignee (at issue)
Industrial Technology Research Institute
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.