The mark consists of a simplified silhouette outline of a Model 98 Signal Cannon quartering towards the viewer, looking at the muzzle end of the cannon. Its barrel, chassis arms, and wheels visible. Beneath the cannon is the word "DUNLAP" in all capitalized letters. The letters "D" and "P" are enlarged. Beneath "DUNLAP" are the words "CANNON" and "CO." in all capitalized letters and smaller sized lettering.
Color is not claimed as a feature of the mark.