Robert Zeller – Trademark Portfolio

Robert Zeller has filed 8 trademarks with the United States Patent and Trademark Office (USPTO). Filing records span from 1991 to 1999, covering 3 years of intellectual property practice. The portfolio covers 6 Nice Classification classes, with the highest concentration in Class 42 (Computer & Scientific, 3 filings) and Class 41 (Education & Entertainment, 3 filings).