Granted Patent
Utility
US 6,690,717 · App. 09/498,917
Multi-tone transceiver system using two steps of DMT-CMFB
Inventors:
Jung Hak Kim, Tae Whan Yoo, Hoon Lee, Jeong Jin Lee, Jae Geun Kim
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Feb 4, 2000
Inventors
Jung Hak Kim
Tae Whan Yoo
Hoon Lee
Jeong Jin Lee
Jae Geun Kim
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.