Granted Patent
Utility
US 6,049,540 · App. 08/856,842
Enhanced telecommunications switching unit
Inventors:
Christopher James Chrin, Meyer J. Zola
Patented Case
View Patent ↗
Granted: Apr 11, 2000
Filed: May 15, 1997
Inventors
Christopher James Chrin
Meyer J. Zola
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.