1 EXHIBIT 10.21 PURCHASING AND LICENSING AGREEMENT THIS PURCHASING AND LICENSING AGREEMENT ("Agreement") is made and entered into as of this 19th day of June, 1996 by and between HEALTHDYNE TECHNOLOGIES, INC., a Georgia corporation ("Healthdyne"), and...Purchasing and Licensing Agreement • June 11th, 1997 • Spectrx Inc • Electromedical & electrotherapeutic apparatus • Georgia
SPECTRX, INC.Selling Stockholders • June 11th, 1997 • Spectrx Inc • Electromedical & electrotherapeutic apparatus • California
