Granted Patent
Utility
US 6,490,342 · App. 09/626,316
Method for quickly testing the operability of a subscriber circuit
Inventor:
Rudolf Dollinger
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Jul 26, 2000
Inventor
Rudolf Dollinger
Assignee (at issue)
Siemens Aktiengesellschaft
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.