Amazon may have brought the idea of drone-based package deliveries to our attention but America’s strict regulations regarding drones have prevented the company from developing this kind of technology as quickly as it would like. Even so, Amazon isn’t exactly giving up on the idea, as the company has just been awarded a patent for a retail delivery system that uses drones, which it submitted last September. The patent goes into detail about the kind of complex system Amazon would use to manage this army of drones.