Right before announcing that it had been purchased by OttterBox, LifeProof revealed its newest ultra-protective case: Frē for iPad mini ($100). Instead of developing a smaller version of its full-sized iPad case Nüüd, LifeProof created a larger model of its iPhone 5 Frē case. Continuing the family's theme, Frē for iPad mini is pitched as waterproof to 6.6-foot submersion depths, dirt proof, snow proof, and shock proof for up to 4-foot drops.…