EXHIBIT 4.1 THIS WARRANT AND THE COMMON STOCK ISSUABLE UPON EXERCISE HEREOF HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "ACT"), OR ANY APPLICABLE STATE LAW, AND NO INTEREST THEREIN MAY BE SOLD, DISTRIBUTED, ASSIGNED,...Warrant Agreement • April 17th, 2000 • Ostex International Inc /Wa/ • In vitro & in vivo diagnostic substances • Washington
