Advance Nanotech Granted Two Additional Patents by the United States Patent Office

Advance Nanotech, Inc. (OTCBB: AVNA) announced today that its Owlstone Nanotech, Inc. subsidiary has been been granted two additional patents by the United States Patent office. This issuance brings the total issued patent portfolio to four. Additionally, the Company has ten patent applications submitted and awaiting response and four patent applications pending submittal under PCT protection with the United States Patent and Trademark Office.

The recently issued patents cover technology developed by Owlstone used in both its core sensor system and surrounding components. The patents describe several methods and embodiments of a microchip spectrometer and a highly integrated means of sample ionization that fits within the confines of a microchip -- sample ionization is a required functionality for Owlstone's spectrometry solutions. In addition to utility within Owlstone's products, the patented ionization technology could be of benefit to other ion based analytical technologies.