US Patent 11999481 Drone delivery system

A drone delivery system provides to send or to receive the package conveniently and safely without going out of the building by using the platform installed at the vicinity of the window. The drone delivery system includes the drone having a first docking device, a standard box having a second docking device corresponding to the first docking device and a third docking device and a platform having a fourth docking device corresponding to the third docking device.