ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,337, issued on June 3.

"Versatile system equipped with a pair of mechanisms with eccentric elements capable of moving in rotation" was invented by Maurice Granger (Albufera, Portugal).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes two mechanisms each including a first support shaft equipped with a toothed wheel and with an element that is eccentric relative to the axis of rotation of the support shaft, and a second support shaft equipped with a toothed wheel and with an element that is eccentric relative to the axis of rotation of the support shaft. The eccentric elements of at least one mechanism are disposed at least partially in a...