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The US trademark EC DUO was filed as Word mark on 06/04/1997 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 04/18/2000.
The current status of the mark is "CANCELLED - SECTION 8".
| Trademark form | Word mark |
| File reference | 75303346 |
| Register number | 2343922 |
| Application date | June 4, 1997 |
| Publication date | March 9, 1999 |
| Entry date | April 18, 2000 |
Trademark owner
4951 INDIANA AVENUE
60532 LISLE
US
60532 LISLE
US
Trademark representatives
goods and services
9
electronic signal processing equipment, namely, echo canceller
ID: 1375303346