ALEXANDRIA, Va., July 3 -- United States Patent no. 12,346,156, issued on July 1, was assigned to Medibotics LLC (Ham Lake, Minn.).

"Wrist-worn device with a variable-size display which is expanded by unrolling or sliding" was invented by Robert A. Connor (St. Paul, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention is a device with an expandable light-emitting display which is worn on a persons' wrist and/or lower arm. The expandable display can be a flexible display which can be rolled and then expanded by unrolling it out from a housing. In an example, the flexibility of the expandable second display can be adjusted. The second display can be made flexible so that is can be rolled around ...