SONTECH INTERNATIONAL AB
Patent Applications and Registrations
Patent applications and USPTO patent grants for SONTECH INTERNATIONAL AB.The latest application filed is for "a sound damping device for a duct or chamber".
- SONTECH INTERNATIONAL AB - Kungsaangen SE
- Sontech International AB - Kungsangen SE
| Patent | Date |
|---|---|
| Sound damping device for a duct or chamber Grant 11,211,042 - Corin December 28, 2 | 2021-12-28 |
| A Sound Damping Device For A Duct Or Chamber App 20190147842 - Corin; Ralf | 2019-05-16 |
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