Granted Patent
Utility
US 6,804,329 · App. 10/002,280
Methods and apparatus for enabling a non-DID station of a PBX or MLTS to receive a PSAP call back
Inventors:
Bertram Geck, Francisco Olympio Marcon da Rocha, Robinson Osmar Lima, Enoch Ragin, Jr., Luiz Cesar Zaniolo
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Nov 2, 2001
Inventors
Bertram Geck
Francisco Olympio Marcon da Rocha
Robinson Osmar Lima
Enoch Ragin, Jr.
Luiz Cesar Zaniolo
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.