What Does 4WS Stand For?
What Does 4WS Stand For? Steering Angle Sensing Four-Wheel Steering System (4WS) / 1987. Who invented 4 wheel steering? The first 4WD (four-wheel drive) system was developed in 1893 by British engineer Joseph Diplock, who patented a four-wheel drive and four-wheel steering system for traction engines. Six years later, Ferdinand Porsche built a four-wheel drive