| Mark Text | Image | Register | NICE classifications | Registration Date | Expiry Date | ||
|---|---|---|---|---|---|---|---|
| POWERFOG |
|
United States Patent and Trademark Office | 7 | 2010-07-27 | details | ||
| POWERSTOR | United States Patent and Trademark Office | 11 | 2004-02-10 | details | |||
| POWERCHILL | United States Patent and Trademark Office | 11 | 2002-08-27 | details | |||
| STAC-4 |
|
United States Patent and Trademark Office | 37 | 2002-09-17 | 2009-05-16 | historic | details |
| POWERFOG | United States Patent and Trademark Office | 7 | 2001-12-25 | 2008-09-26 | historic | details |
