The next are trademarks for one or more DEWALT power tools, equipment, anchors and concrete adhesives: The yellow and black color scheme; the “D”-shaped air ingestion grill; the array of pyramids within the handgrip; the package box configuration; and the array of lozenge-shaped humps within the surface of the tool. https://dewalt20voltxr5ahbattery47035.laowaiblog.com/26379098/little-known-facts-about-20v-dewalt-combo-kit