Granted Patent
Utility
US 6,421,790 · App. 09/309,135
Method and circuit for analysis of the operation of a microcontroller using signature analysis of data and instructions
Inventors:
Terry L. Fruehling, James M. Spall, Troy L. Helm
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: May 10, 1999
Inventors
Terry L. Fruehling
James M. Spall
Troy L. Helm
Assignee (at issue)
Delphi Technologies
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.