Amazon.com Inc. has acquired Rivr Technologies AG, a Swiss developer of delivery robots. CNBC reported on Thursday that the deal closed earlier this week. The financial terms were not disclosed.

Four-legged robots are about to start delivering Amazon packages. CNBC reports the company quietly acquired Rivr, a Swiss robotics startup that makes robots on wheels designed for “doorstep delivery.” ...

Amazon has acquired robotics startup Rivr, known for its four-legged delivery robots on wheels, the company confirmed. The company expects to test ways it can use Rivr's robots to help with "doorstep ...