Granted Patent
Utility
US 6,038,306 · App. 08/846,326
Method and application means for establishing performance features in private communication systems of a public communication network
Inventors:
Siegfried Spahl, Guenter Lukas, Dietmar Ratzberger, Friedrich Kopitar
Patented Case
View Patent ↗
Granted: Mar 14, 2000
Filed: Apr 30, 1997
Inventors
Siegfried Spahl
Guenter Lukas
Dietmar Ratzberger
Friedrich Kopitar
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.