ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,141, issued on Nov. 18.
"Rotationally deployed non-blocking firearm mirror accessory" was invented by Robert Marshall Campbell (Miami).
According to the abstract* released by the U.S. Patent & Trademark Office: "A firearm accessory is rotatable on two axes via a sleeve mounted on a bearing comprising a first and a second part, the second part being rotatable and coupled to the first part and facilitating a central opening and a first rotational motion and protrusions with at least one hinge from the sleeve attaching to a mirror device acting as a second rotational motion. An alternative teaches digital control of a swinging mirror assembly having spring acting ball actuators prov...