[Parking image: VikiVector/istockphoto]
Dallas-Fort Worth ranked No. 13 for patents out of 250 metros. Patents granted include: Knightscope's autonomous parking monitor, Service King's auto repair systems including 3D printed parts, Siemens intelligent 3D printer, Johnson & Johnson's pupil-only photochromic contact lenses, Bank of America's authorization of a user in a virtual reality environment, ATT's distributed forwarding service, Freeflight Acquisition's quick-mount detachable antenna, and Imagine Communications' distributed ledger platform.