The subsequent are trademarks for a number of DEWALT power tools, accessories, anchors and concrete adhesives: The yellow and black shade scheme; the “D”-formed air consumption grill; the variety of pyramids within the handgrip; the package box configuration; plus the array of lozenge-shaped humps over the surface on the tool. https://dewalt-20-volt-xr-5ah-bat19629.bloggazza.com/26360466/facts-about-dewalt-cordless-grinder-dcg412-revealed