I called a long time ago about putting a HTC logo on a shirt with my "Top Gun and Butcher" name on the back, they said long as i didn't sell it, no problem although it never got done.
Cant remember who I talked with, anyhow if they really wanted, they could go to one of those outfits that sells shirts and coffee mugs, you get 50% of the profits or something like that, the outfit does all the work.
Then again if HTC didn't do this years ago, he probably has a good reason against it.
Maybe if you call Dale and ask nicely if you can put the logo on a coffee cup for yourself, he might give you an answer.
/had a butcher mug, but it shattered into 2000 pieces and haven't had the 14.95 to even buy another