Granted Patent
Utility
US 6,042,444 · App. 09/322,055
Method for fabricating field emission display cathode
Inventor:
Chih-Chong Wang
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: May 27, 1999
Inventor
Chih-Chong Wang
Assignee (at issue)
United Semiconductor Corp.
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.