Granted Patent
Utility
US 6,696,973 · App. 10/169,722
Communications system and control unit suitable therefor
Inventors:
Rudolf Ritter, Eric Lauper
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Jul 15, 2002
Inventors
Rudolf Ritter
Eric Lauper
Assignee (at issue)
Swisscom Mobile AG
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.