Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669811 | Modular devices for the extraction of fumes | — | 1997-09-23 |
| 5447470 | Apparatus insuring distribution and automatic control of air supplies, in particular for ventilation of buildings | — | 1995-09-05 |
| 4759272 | Ventilator | — | 1988-07-26 |
| 4342258 | Ventilator | — | 1982-08-03 |
| 4200035 | Modular ventilating assembly | — | 1980-04-29 |
| 4186468 | Ring clamp and method of making same | — | 1980-02-05 |