Granted Patent
Utility
US 6,683,958 · App. 10/206,826
Apparatus and method for embedding and extracting information in analog signals using distributed signal features and replica modulation
Inventor:
Rade Petrovic
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Jul 29, 2002
Inventor
Rade Petrovic
Assignee (at issue)
OrVance, LLC
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.