Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6434788 | Door closer | — | 2002-08-20 |
| 5090089 | Automatic door closing device | Werner Korling, Franz Kraft | 1992-02-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6434788 | Door closer | — | 2002-08-20 |
| 5090089 | Automatic door closing device | Werner Korling, Franz Kraft | 1992-02-25 |