 Face also designed and personally built a Superflat Grinder, which, according to the American Concrete Institute, produced the flattest concrete floor profiles ever measured.Late in his life, Face became interested in piezoelectric technology, which led to his company's development of the Lightning Switch and other improvements and applications of piezoelectric actuators, generators and sensors... and Transoner transformers.Two of the technological innovations developed at The Face Companies under his leadership were recognized with NOVA Awards, the highest international honor for innovation in construction.