Granted Patent
Utility
US 6,188,497 · App. 09/321,347
Duo-binary signal encoding
Inventors:
Thorkild Franck, Per Bang Hansen
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: May 27, 1999
Inventors
Thorkild Franck
Per Bang Hansen
Assignee (at issue)
LUCENT TECHNOLOGIES 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.