Granted Patent
Utility
US 6,370,150 · App. 09/189,252
S0-interface for an ISDN base connection
Inventors:
Gerald Hofer, Pidder Kassel, Ulrich Tomalla
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: Nov 10, 1998
Inventors
Gerald Hofer
Pidder Kassel
Ulrich Tomalla
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.