Granted Patent
Utility
US 6,144,705 · App. 08/704,470
Technique for simultaneous communications of analog frequency-modulated and digitally modulated signals using precanceling scheme
Inventors:
Haralabos Papadopoulos, Carl-Erik Wilhelm Sundberg
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Aug 22, 1996
Inventors
Haralabos Papadopoulos
Carl-Erik Wilhelm Sundberg
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.