Granted Patent
Utility
US 5,964,889 · App. 08/843,512
Method to analyze a program for presence of computer viruses by examining the opcode for faults before emulating instruction in emulator
Inventor:
Carey Nachenberg
Patented Case
View Patent ↗
Granted: Oct 12, 1999
Filed: Apr 16, 1997
Inventor
Carey Nachenberg
Assignee (at issue)
Symantec Corporation
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.