NEW YORK , July 6 / PRNewswire-FirstCall / -- Medis Technologies ( Nasdaq : MDTL ) , a developer of fuel cells for the consumer , military and industrial markets , announced today that it has appointed Allen & Caron Inc to handle its investor relations and corporate communications . Allen & Caron will assist Medis with developing an outreach program to increase visibility in the investment community , and news dissemination and media relations programs to help broaden awareness of the Company 's proprietary technologies and products .