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The US trademark ELLIPSOIDAL DIFFERENCE MAP was filed as Word mark on 04/23/1997 at the U.S. Patent and Trademark Office. The current status of the mark is "ABANDONED-FAILURE TO RESPOND OR LATE RESPONSE".
| Trademark form | Word mark |
| File reference | 75280126 |
| Application date | April 23, 1997 |
Trademark owner
2810 Towerview Road
20171 Herndon
US
20171 Herndon
US
Trademark representatives
goods and services
9
computer software for eye care specialists
ID: 1375280126