Granted Patent
Utility
US 6,427,012 · App. 09/106,213
Apparatus and method for embedding and extracting information in analog signals using replica modulation
Inventor:
Rade Petrovic
Patented Case
View Patent ↗
Granted: Jul 30, 2002
Filed: Jun 29, 1998
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.