EXHIBIT 4.7 WARRANT PURCHASE AGREEMENT BETWEEN THE COMPANY AND TERARECON INC. DATED APRIL 24, 1998 THIS WARRANT PURCHASE AGREEMENT (the "Agreement") is made and entered into this 24th day of April, 1998 by and between IMATRON INC., a New Jersey...Warrant Purchase Agreement • May 6th, 1998 • Imatron Inc • Electromedical & electrotherapeutic apparatus • California
