The subsequent are trademarks for a number of DEWALT power tools, equipment, anchors and concrete adhesives: The yellow and black coloration scheme; the “D”-shaped air intake grill; the array of pyramids about the handgrip; the package box configuration; and the variety of lozenge-shaped humps around the surface from the tool. https://dewalt-20v-lithium-ion-ba59147.idblogmaker.com/26489597/the-dewalt-20v-lithium-ion-battery-diaries