Granted Patent
Utility
US 6,628,664 · App. 09/237,300
Apparatus and method for digital telephony
Inventors:
Zuri Guzikevits, Joshua Piasecki
Patented Case
View Patent ↗
Granted: Sep 30, 2003
Filed: Jan 25, 1999
Inventors
Zuri Guzikevits
Joshua Piasecki
Assignee (at issue)
ECI Telecom Ltd.
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.