The invention is directed to a device for delivering a pharmaceutically active compound or cosmetic substance to a subject comprises a flexible substrate sheet attached to an electronic controller. The controller is provided with a pair of electrical contacts on the underside thereof and is adhered to...http://www.google.com.au/patents/US6157858?utm_source=gb-gplus-sharePatent US6157858 - Device for the delivery of a substance to a subject and improved electrode assembly
