EXHIBIT 7.3 STOCK EXCHANGE AGREEMENT This Stock Exchange Agreement ("Agreement") is entered into as of April 28, 2000, by and among THERAPY LASERS, INC., a Nevada corporation ("Purchaser"), CHARLES SHEFFIELD, JAMES R. SHEFFIELD, JR., LOUISE MAUTZ,...Stock Exchange Agreement • May 15th, 2000 • Therapy Lasers Inc • Wholesale-medical, dental & hospital equipment & supplies • Texas
EXHIBIT 7.1 STOCK PURCHASE AGREEMENT This Stock Purchase Agreement ("Agreement") is entered into as of April 28, 2000, by and among THERAPY LASERS, INC., a Nevada corporation ("Purchaser"), CHARLES SHEFFIELD, RILEY SHEFFIELD, LOUISE MAUTZ, AND WILLIAM...Stock Purchase Agreement • May 15th, 2000 • Therapy Lasers Inc • Wholesale-medical, dental & hospital equipment & supplies • Texas
