| Mark Text | Image | Register | NICE classifications | Registration Date | Expiry Date | ||
|---|---|---|---|---|---|---|---|
| Z-NET | United States Patent and Trademark Office | 38 | 1999-05-25 | 2002-12-03 | historic | details | |
| CALLING FOR THE CHILDREN | United States Patent and Trademark Office | 38 | 1998-12-29 | 2005-10-02 | historic | details | |
| ZENEX WORLD ACCESS | United States Patent and Trademark Office | 38 | 1997-09-23 | 2004-06-26 | historic | details | |
| CALLING FOR A CAUZE | United States Patent and Trademark Office | 38 | 1997-09-02 | 2004-06-05 | historic | details | |
| ZPAGE | United States Patent and Trademark Office | 38 | 1997-09-02 | 2004-06-05 | historic | details | |
| ZENEX | United States Patent and Trademark Office | 38 | 1995-09-26 | 2006-07-08 | historic | details |
