Exhibit 4.1 FORM OF CLASS A WARRANT NEITHER THIS WARRANT NOR THE SECURITIES FOR WHICH THIS WARRANT IS EXERCISABLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON EXEMPTIONS...Boston Life Sciences Inc /De • August 14th, 2002 • Pharmaceutical preparations • New York
Company FiledAugust 14th, 2002 Industry Jurisdiction