Docking stations and docking methods are provided for use with marking devices used for marking the presence or absence of an underground facility in a dig area. The docking station may serve as a home base for storage of a marking device, for charging the battery of a marking device, for transferring...http://www.google.ca/patents/US20100085694?utm_source=gb-gplus-sharePatent US20100085694 - MARKING DEVICE DOCKING STATIONS AND METHODS OF USING SAME
