Granted Patent
Utility
US 6,133,847 · App. 08/947,662
Configurable remote control device
Inventor:
Ping Yang
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Oct 9, 1997
Inventor
Ping Yang
Assignee (at issue)
AT&T 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.