| Mark Text | Image | Register | NICE classifications | Registration Date | Expiry Date | ||
|---|---|---|---|---|---|---|---|
| ATOMIC CLOCK | United States Patent and Trademark Office | 9 | 2004-11-02 | 2011-06-03 | historic | details | |
| MAVIS BEACON TEACHES TYPING! | United States Patent and Trademark Office | 16 | 2004-08-03 | 2011-03-04 | historic | details | |
| THINK IT.PRINT IT. | United States Patent and Trademark Office | 9 | 2002-09-24 | 2009-05-16 | historic | details | |
| SAFEFILTER | United States Patent and Trademark Office | 9 | 2002-09-10 | 2009-05-16 | historic | details | |
| VIRTUALTALK | United States Patent and Trademark Office | 41 | 2001-11-13 | 2008-08-16 | historic | details |
