Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5499945 | Ventilation apparatus providing air extraction adjacent selected workstations in a confined space | Keith Ferlin | 1996-03-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5499945 | Ventilation apparatus providing air extraction adjacent selected workstations in a confined space | Keith Ferlin | 1996-03-19 |