Granted Patent
Utility
US 6,760,443 · App. 09/863,286
Custom character-coding compression for encoding and watermarking media content
Inventors:
John Blakeway Lacy, Schuyler Reynier Quackenbush, James H. Snyder
Patented Case
View Patent ↗
Granted: Jul 6, 2004
Filed: May 24, 2001
Inventors
John Blakeway Lacy
Schuyler Reynier Quackenbush
James H. Snyder
Assignee (at issue)
AT&T CORP.
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.