PORTLAND, Ore. — There is now a security guard robot patrolling theU.S. Bancorp Tower in downtown Portland. Unico officials say "Rob," the5-foot-5-inch, 420-pound Autonomous Security Robot (ASR), ...

PORTLAND, Ore. (KOIN) — A new security robot is on patrol outside U.S. Bancorp Tower — known locally as Big Pink. Unico Properties LLC, the owners of Portland’s second-tallest building, deployed the 5 ...

PORTLAND, Ore. (KPTV/Gray News) – An autonomous security robot is now patrolling part of downtown Portland. Portland city officials and community improvement partners gathered on Tuesday to unveil a ...