| US D586,744 S | ||
| Frequency converter | ||
| Jukka Timo Johannes Jaskari, Vaasa (Finland) | ||
| Assigned to Vacon Oyj, Vaasa (Finland) | ||
| Filed on Apr. 28, 2008, as Appl. No. 29/317,361. | ||
| Term of patent 14 Years | ||
| LOC (9) Cl. 13 - 02 | ||
| U.S. Cl. D13—110 |

| The ornamental design for a frequency converter, as shown. |