[Bush2000]

I don't believe so. Only the word Porsche itself is a trademark.

Actually, it depends upon whether the branding of a product or service causes confusion. The courts typically uphold trademark protections against products or services in the same or complementary markets. If you were to create, for example, a shampoo named 911, the courts would probably not give Porsche trademark protection. However, it is my understanding that the courts prevented a company that was producing auto floor mats with the labels "911", "944", etc from doing so. This seems like a reasonable thing. Porsche invested in its trademarks. It deserves to not have them devalued by third parties.

[EternalLife]

You can't trademark a number.

If you could Clinton would have had '666' all for himself.