Granted Patent
Utility
US 6,690,680 · App. 09/450,215
Communication system signal synchronization techniques
Inventors:
Daniel J. Marchok, Samir Kapoor
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Nov 29, 1999
Inventors
Daniel J. Marchok
Samir Kapoor
Assignee (at issue)
Tellabs Operations, 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.