Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4597557 | Hydraulically-controlled non-return valve | Karl Krieger, Werner Reinelt | 1986-07-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4597557 | Hydraulically-controlled non-return valve | Karl Krieger, Werner Reinelt | 1986-07-01 |