Granted Patent
Utility
US 5,939,833 · App. 08/951,177
Field emission device with low driving voltage
Inventors:
Yoon Ho Song, Jin Ho Lee, Kyoung Ik Cho, Hyung-Joun Yoo
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Oct 15, 1997
Inventors
Yoon Ho Song
Jin Ho Lee
Kyoung Ik Cho
Hyung-Joun Yoo
Assignee (at issue)
ELECTRONICS AND TELECOMMUNICATIONS 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.