www.bakingbusiness.com/articles/38206-7-914-836-march-29-2011-p-graham-et-al-pizza-hut-inc-plano-tx
7,914,836 (March 29, 2011), P. Graham, et al., Pizza Hut, Inc., Plano, TX.
05.31.2011
The border of a pizza features dough divided into many tubular segments, each of which includes a filling such as cheese. Each of the dough pieces is attached to the main dough of the pizza with a twisted dough tab.