Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11438709 | Acoustic filter with enhanced valve stroke | Pieter Gerard Van 'T Hof, Engbert Wilmink | 2022-09-06 |
| 11266532 | Acoustic filter with attenuation control | Pieter Gerard Van 'T Hof, Engbert Wilmink | 2022-03-08 |