Granted Patent
Utility
US 5,937,040 · App. 08/844,417
Method and apparatus for using a D-channel for displaying user data
Inventors:
Uwe Wrede, Mieu-Hong Dang, Shmuel Shaffer
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: Apr 18, 1997
Inventors
Uwe Wrede
Mieu-Hong Dang
Shmuel Shaffer
Assignee (at issue)
Siemens Information and Communication Networks, Inc.
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.