ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,575, issued on Aug. 19, was assigned to Ravin Crossbows LLC (Superior, Wis.).
"Crossbow with spiral wound cam system" was invented by Nicholas Obteshka (Springfield, Ore.) and Craig Yehle (Winona, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A crossbow includes a frame, first and second limbs, first and second cams, a drawstring, and first and second power cables. The frame includes a first side and a second side. The frame defines a projectile axis. The first limb is coupled to the first side and the second limb coupled to the second side. The first cam is coupled to the first side and configured to rotate about a first cam axis that is sub...