Granted Patent
Utility
US 6,522,657 · App. 09/115,989
Method of assigning time slots, as well as system, center, and subscriber facility for carrying out this method
Inventor:
Stefan Wahl
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Jul 15, 1998
Inventor
Stefan Wahl
Assignee (at issue)
ALCATEL
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.