Granted Patent
Utility
US 6,600,817 · App. 09/378,242
Method and apparatus for monitoring communication connections within and across time zones
Inventors:
Shmuel Shaffer, William J. Beyda
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Aug 19, 1999
Inventors
Shmuel Shaffer
William J. Beyda
Assignee (at issue)
Siemens Information and Communication Networks, 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.