I ran three of my chips through the script. Seems that one of my 1700+ chips and my 2400+ are both downgrades from a 2700+. Here are the screen captures:
AXDA1700DUT3C 9298126270692 JIUHB0302XPNW:
AXDA1700DUT3C 9364947260082 JIUHB0302XPMW:
AXDA2400DKV3C 9507596270498 AIUHB0247UPFW:
I have entered these results to the article's author as he requested.