Not that I know of. But the design is very clearly copied from theirs. Not that anyone involved with Rocket has a foot to stand on these days, but it's just a multitude of Un savory individuals who I'd rather not deal with. I tried to scrap them, but Zinc isn't worth shit in scrap and it was not worth the headache of driving, digging through 75+ cages of parts, loading, and driving to the scrap yard.