Granted Patent
Utility
US 5,506,988 · App. 08/292,297
Program-controlled communication installation
Inventors:
Dietmar Weber, Wolfgang Hubig
Patented Case
View Patent ↗
Granted: Apr 9, 1996
Filed: Aug 16, 1994
Inventors
Dietmar Weber
Wolfgang Hubig
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.