Last-mile delivery robotics company Refraction AI raises $4.2M

Ann Arbor-based Refraction AI announced today that it has raised a $4.2 million seed round. The startup, which debuted on the TechCrunch Sessions: Mobility stage back in 2019, was founded by a pair of University of Michigan professors (Matthew Johnson-Roberson — now CTO — and Ram Vasudevan) seeking to solve a number of issues posed by many delivery robots.

https://techcrunch.com/2021/03/08/last-mile-delivery-robotics-company-refraction-ai-raises-4-2m/