Granted Patent
Utility
US 6,735,575 · App. 09/324,241
Verifying the authenticity of printed documents
Inventor:
Salim G. Kara
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Jun 2, 1999
Inventor
Salim G. Kara
Assignee (at issue)
KARA TECHNOLOGY
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.