Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5560165 | Joint between a landing door and wall structures | Ari Ketonen | 1996-10-01 |
| 5404969 | Fire door for an elevator | — | 1995-04-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5560165 | Joint between a landing door and wall structures | Ari Ketonen | 1996-10-01 |
| 5404969 | Fire door for an elevator | — | 1995-04-11 |