Granted Patent
Utility
US 6,774,697 · App. 10/325,929
Input and output port circuit
Inventors:
Yil Suk Yang, Jong Dae Kim, Tae Moon Roh, Jin Gun Koo, Dae Woo Lee, Sang Gi Kim, Il Yong Park
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Dec 23, 2002
Inventors
Yil Suk Yang
Jong Dae Kim
Tae Moon Roh
Jin Gun Koo
Dae Woo Lee
Sang Gi Kim
Il Yong Park
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.