Granted Patent
Utility
US 6,301,250 · App. 08/903,954
Method of operating an interface device as well as interface device and exchange with such an interface device
Inventor:
Bernhard Schmitz
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Jul 31, 1997
Inventor
Bernhard Schmitz
Assignee (at issue)
ALCATEL
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.