Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4444242 | Modular shutter for windows or the like | Bruno Amsler, Josef Koch, Alfred Frei | 1984-04-24 |
| 4444243 | Shutter for windows or the like | Bruno Amsler | 1984-04-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4444242 | Modular shutter for windows or the like | Bruno Amsler, Josef Koch, Alfred Frei | 1984-04-24 |
| 4444243 | Shutter for windows or the like | Bruno Amsler | 1984-04-24 |