EXHIBIT 4.1 REGISTRATION RIGHTS AGREEMENT AGREEMENT dated as of December 3, 2004, between MERCATOR MOMENTUM FUND, LP, and MERCATOR MOMENTUM FUND III, LP. (collectively, the "Fund") and MERCATOR ADVISORY GROUP, LLC ("MAG") (the Fund and MAG are...Registration Rights Agreement • December 13th, 2004 • Medical Discoveries Inc • Pharmaceutical preparations • California
