Granted Patent
Utility
US 6,128,570 · App. 09/128,524
Windowed control system
Patented Case
View Patent ↗
Granted: Oct 3, 2000
Filed: Aug 3, 1998
Assignee (at issue)
LUCENT TECHNOLOGIES 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.