notoriousLrg
sTrange cLouds
From http://fuckcombustion.com/threads/thermovape-cera.8332/page-302
They most definantly had patents, which were sold off. The patents couldnt be used anymore by TET which we all saw what that caused....
Here's the major patent, there are a few more tied to it. http://www.google.com/patents/US8757147