ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,550,677, issued on Feb. 10, was assigned to Persimmon Technologies Corp. (Wakefield, Mass.).

"Robot having second robot arm with second end effector in a second retracted position" was invented by Martin Hosek (Salem, N.H.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus including a drive, a first robot arm, a mechanical drive transmission, and a second robot arm. The first robot arm includes a first upper arm, a first forearm and a first end effector, where the first upper arm is connected to the drive at a first axis of rotation, and where the first end effector comprises two laterally spaced substrate holding areas. The mechanical drive tr...