Granted Patent
Utility
US 6,785,271 · App. 09/750,153
Group switching system for multiple-channel data
Inventor:
Jae Eum
Patented Case
View Patent ↗
Granted: Aug 31, 2004
Filed: Dec 29, 2000
Inventor
Jae Eum
Assignee (at issue)
LG ELECTRONICS INC.
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.