ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,979, issued on June 30, was assigned to Amazon Technologies Inc. (Seattle).

"Robotic manipulators for collaborative and independent tasks" was invented by Andrew D Marchese (Concord, Mass.), Yuri Anatoly Ivanov (Lexington, Mass.) and Vincent Kerstholt (Medford, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Robotic manipulators that can independently or collaboratively perform tasks are described herein. For example, a robotic system can include a set of linear rails, a first robotic manipulator, and a second robotic manipulator. The first robotic manipulator can be mechanically coupled to a first linear rail of the set of linear rails. The fi...