ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,739, issued on July 29, was assigned to Sheltered Wings Inc. (Barneveld, Wis.).
"Turret with a zero stop" was invented by Rick Campbell (Barneveld, Wis.) and Joseph Heltemes (Barneveld, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A turret comprises a turret screw, cam pin chassis, stop ring, and turret cap. The cam pin chassis has a cam pin extending from the chassis parallel with the axis and is linear moveable within the chassis. The stop ring has a first surface and a second surface comprising a spiral groove terminating at first and second stop surfaces. The cam pin engages the spiral groove. The screw extends through central bores of ea...