Cary E. Ruffner » Member Directory Go back to directory. Cary E. Ruffner LanxessPatent 111 RIDC Park West Drive Pittsburgh PA 15275-1112 work Work Phone: 412-809-3753 Work Email: cary.ruffner@lanxess.com No Logo Available Connections Business Directory | Leaflet | © OpenStreetMap contributors 111 RIDC Park West Drive Pittsburgh PA 15275-1112Get Directions