Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11463803 | Acoustic device with deformable shape as valve | Nishant Lawand, Krisztian Kepiro | 2022-10-04 |
| 11438709 | Acoustic filter with enhanced valve stroke | Adrian Lara-Quintanilla, Pieter Gerard Van 'T Hof | 2022-09-06 |
| 11273076 | Acoustic valve and ear plug for hearing protection | Pieter Gerard van't Hof | 2022-03-15 |
| 11266532 | Acoustic filter with attenuation control | Pieter Gerard Van 'T Hof, Adrian Lara-Quintanilla | 2022-03-08 |