No, you can order directly from Dorco USA and get their razors shipped to your door. I've done it, and the single price points and "add to cart" buttons should make that clear too. :)
"Distributor" might be a mistranslation or imprecisely phrased.
OR "Dorco USA" is a small US based distributor that licenses their name from the other company and imports Dorco razors and sells them. Might even be owned by Dorco but is likely not Dorco.
Maybe they're not selling razors there that violate P&G's patent inside the US only to markets outside the reach of the US patent? I don't know which product lines are actually in violation of the patent.
[0] http://www.dorcousa.com/