Masterflex AG (WKN 549293), Gelsenkirchen, is now presenting its mini fuel cell prototype, which has already been shown to the CEBIT trade public, at the Hannover Messe within the special Energy 2003 trade fair at the stand of the NRW State Initiative for Future Energies. This first near-series prototype of a hydrogen-based 50 watt mini fuel cell. was developed in cooperation with the Fraunhofer Institute for Solar Energy Systems ISE, Freiburg.