Originally Posted by Uncle Bubba

Asissted opening is legal in all states, the front and side open, button activated, springloaded knife aka Switchblades are illegal for posession by any unlicensed persons. The license being an importer license making it legal to import merchandise into the US for re-sale.

I worked at a Frost Cuttlery store for a while and this was how it was explained to me. We sold them and it was perfectly legal to do. It was also legal for you to buy it, but you could not legally carry it out of the store. Go figure how this was expected to work.