Thank you again for your now published article and your pledge to keep us up to date. There is, in fact, much more to find out and learn concerning this subject!

As a follow up to your article, specifically question #3, let's not limit this question to just Pilkington, but also include other manufacturers to see if their parts are the same that have matching DOT numbers, regardless of whether supplied in manufacture or to the after market.

Yes, we need more light on this subject!