ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,202, issued on June 2, was assigned to The Charles Machine Works Inc. (Perry, Okla.).

"Jaw engagement assist system" was invented by Steven W. Wentworth (Scottsdale, Ariz.), Mark D. Randa (Oconomowoc, Wis.), Robert F. Crane (Nekoosa, Wis.) and James B. Doyle Jr. (Delafield, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for gripping and pulling a wire strand. The apparatus is carried by a cylinder assembly attached to a frame. The cylinders provide force to pull the strand. Jaws are situated in a jaw block, and are tapered such that movement of the jaw block by the cylinders will tend to force the jaws closer to one another within a...