Granted Patent
Utility
US 6,185,413 · App. 08/877,192
Mobile station having a cost-efficient call management method and system
Inventors:
Wilhelm Mueller, Neal J. King, Michael Sassin
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: Jun 17, 1997
Inventors
Wilhelm Mueller
Neal J. King
Michael Sassin
Assignees (at issue)
Siemens Aktiengesellschaft
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.