Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6550823 | Flange connection for pipes, in particular, air pipes | — | 2003-04-22 |
| 4513534 | Shutter for ventilation systems | — | 1985-04-30 |
| 4377188 | Flexible corrugated tube | — | 1983-03-22 |
| 4289161 | Fluid flow regulator | — | 1981-09-15 |
| 4261380 | Flow regulator having damping means | — | 1981-04-14 |