"he can always upload it and name it something else, like TBSpace Ship :)" Well, technically, he certainly can. However, in regards to the potential for trademark issues, indeed, he may be able to. I don't know -- I don't have the appropriate resources to discern that fact for certain readily available to me at this point.

thou and I, my friend, can, in the most flunkey world, make, each of us, one non-flunkey, one hero, if we like: that will be two heroes to begin with. (Carlyle)