Granted Patent
Utility
US 6,779,718 · App. 10/111,875
Method for authenticating the result of an instruction in a token
Inventor:
Lukasz Wlodarczyk
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Aug 29, 2002
Inventor
Lukasz Wlodarczyk
Assignee (at issue)
Schlumberger Systemes
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.