Granted Patent
Utility
US 6,421,340 · App. 09/171,627
Method and a detector unit for setting up connections in a teletransmission network
Inventor:
Lars Christensen
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Apr 26, 1999
Inventor
Lars Christensen
Assignee (at issue)
DSC Communications A/S
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.