The robot gives the security team at the U.S. Bancorp Tower a boost with video and audio surveillance, 24 hours a day and seven days a week.

PORTLAND, Ore. — There is now a security guard robot patrolling the U.S. Bancorp Tower in downtown Portland. Unico officials say "Rob," the 5-foot-5-inch, 420-pound Autonomous Security Robot ...

The owner of the U.S. Bancorp Tower, Oregon’s largest office building, has deployed a remote-controlled security robot to help patrol the downtown property.

Unico’s robot is the first autonomous security robot in downtown Portland. Nicknamed “Rob,” it provides continuous monitoring and surveillance for the security officers inside U.S. Bancorp ...