20120325585 | Reflective Friction-Enhancement For Surfaces - A modular safety unit for application to surfaces requiring reflectivity and friction. The unit has a front surface with a high-reflectivity portion and a roughening agent. The high reflectivity portion and roughening agent can be connate or separate. The unit also has a back surface which may be applied to a platform surface such as a rail car step, ladder rung or walkway. The back surface of the unit comprises an adhesive, or may itself be adhered to a surface. | 12-27-2012 |