ALEXANDRIA, Va., March 12 -- United States Patent no. 12,246,439, issued on March 11, was assigned to Sanctuary Cognitive Systems Corp. (Vancouver, Canada).

"Robotic joint having a spherical linkage" was invented by Joshua Lee (Burnaby, Canada) and Connor Richard Shannon (Vancouver, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A robotic joint has a first portion that includes a first actuator and a second actuator, a first spherical linkage having a first end mechanically coupled to the first actuator and a second end mechanically coupled to a second portion of the robotic joint, and a second spherical linkage having a third end mechanically coupled to the second actuator and a fourth end mechanical...