Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5992444 | Control device for door closer | — | 1999-11-30 |
| 5943736 | Door closer | Vesa Karkkainen | 1999-08-31 |
| 5906026 | Hold-open device for a door | — | 1999-05-25 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5992444 | Control device for door closer | — | 1999-11-30 |
| 5943736 | Door closer | Vesa Karkkainen | 1999-08-31 |
| 5906026 | Hold-open device for a door | — | 1999-05-25 |