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The US trademark SIGMA was filed as Word mark on 10/15/1991 at the U.S. Patent and Trademark Office. The current status of the mark is "ABANDONED - EXPRESS".
| Trademark form | Word mark |
| File reference | 74212320 |
| Application date | October 15, 1991 |
Trademark owner
10205 Westheimer Road
77042 Houston
US
77042 Houston
US
Trademark representatives
goods and services
9
computer programs for the oil and gas industry
ID: 1374212320