Patent Document ID: 8510141
Application ID: 12701447
Patent Status: 1

Claim One:
1. A marking apparatus to mark a presence or an absence of an underground facility, the marking apparatus comprising: a housing; a marking dispenser holder coupled to the housing to hold a replaceable marking material; an actuator that, when actuated, causes dispensing of the marking material; a display device coupled to the housing; at least one memory; and at least one processor, communicatively coupled to the display device and the at least one memory, and configured to: display on the display device a map image that is generated based on first map data that comprises facilities map data and is selected by the at least one processor; and compare a first location at which marking material is dispensed by the marking apparatus to a second location of a facility line as indicated by the first map data and generate an alert based on a disagreement between the first location and the second location.