DD DOLBY SYSTEM Logo (USPTO, 05/09/1969)
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The US trademark DD DOLBY SYSTEM was filed as Word and figurative mark on 05/09/1969 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 05/19/1970.
The current status of the mark is "EXPIRED".
| Trademark form | Word and figurative mark |
| File reference | 72326862 |
| Register number | 891210 |
| Application date | May 9, 1969 |
| Entry date | May 19, 1970 |
Trademark owner
San Francisco
US
goods and services
9
NOISE SUPPRESSOR WHICH COMBATS NOISE IN TRANSMISSION OR RECORDING SYSTEMS.
ID: 1372326862