A. Sidney Johnston – Trademark Portfolio

A. Sidney Johnston specializes in Class 9 (Computers & Electronics) trademark filings before the United States Patent and Trademark Office (USPTO), with 5 of 7 total filings concentrated in this category. The practice also covers Class 10 (Medical Apparatus) along with 4 other Nice Classification classes. Filing activity spans from 1980 to 1992. Currently, 0 trademarks are registered.