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The US trademark KEYSTONE was filed as Word mark on 09/13/2013 at the U.S. Patent and Trademark Office. The current status of the mark is "CANCELLED - SECTION 8".
| Trademark form | Word mark |
| File reference | 5200176 |
| Register number | 86063647 |
| Application date | September 13, 2013 |
Trademark owner
One Analog Way
01887 Wilmington
US
01887 Wilmington
US
goods and services
9
Electrical and scientific apparatus
ID: 13