US Patent 10387825 Delivery assistance using unmanned vehicles

An unmanned vehicle obtains first location information associated with a customer order, which causes the unmanned vehicle to travel to a first location. While at the first location, the unmanned vehicle receives, from another device, second location information. The unmanned vehicle uses the second location information to travel to a second location where the other device is located. Once at the second location, the unmanned vehicle performs one or more operations involved with fulfillment of the order.