Granted Patent
Utility
US 6,128,736 · App. 09/215,958
Method for inserting a watermark signal into data
Inventor:
Matthew L. Miller
Patented Case
View Patent ↗
Granted: Oct 3, 2000
Filed: Dec 18, 1998
Inventor
Matthew L. Miller
Assignee (at issue)
Signafy, 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.