Corin; Ralf
Patent Applications and Registrations
Patent applications and USPTO patent grants for Corin; Ralf.The latest application filed is for "a sound damping device for a duct or chamber".
- Corin; Ralf - Saltsjobaden SE
- Corin; Ralf - Hasselby 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 |
| Sound dampening flow channel device Grant 8,061,476 - Corin November 22, 2 | 2011-11-22 |
| Sound Dampening Flow Channel Device App 20090050404 - Corin; Ralf | 2009-02-26 |
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