EXHIBIT 4.6 REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (this "AGREEMENT") is made and entered into as of May 28, 2002, by and among American Science and Engineering, Inc., a Massachusetts corporation (the "COMPANY"), and the...Registration Rights Agreement • June 5th, 2002 • American Science & Engineering Inc • X-ray apparatus & tubes & related irradiation apparatus • New York
ARTICLE I. DEFINITIONSSecurities Purchase Agreement • June 5th, 2002 • American Science & Engineering Inc • X-ray apparatus & tubes & related irradiation apparatus • New York
