I always heard Soaker was a "Patented" product. However it is not, and is just in the head of Phil and probably Billy. Therefore I'm guessing we will see it in the future on new balls Phil creates; however, if someone really wanted to get into it, you could "technically" recreate Soaker without any legal issue, they just cuoldn't call it Soaker..
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The only difference between Genius and Stupidity is Genius has its Limits