And the carts will even be able to return themselves. The patent included the above drawings of what they might look like, but noted that some elements were simplified and exaggerated for clarity.

Future grocery stores could feature robotic carts that drive themselves and help you find goods. Future grocery stores could feature robotic carts that drive themselves and help you find goods.

but based on the above photo, it should at least be a medium-sized suitcase as opposed to a hand-carry size. Last but not least, the Shopping Cart Robot is exactly what it sounds like, and it'll ...