Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4318670 | Screw pump for conveying waste water and the like | Leonhard Fechter | 1982-03-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4318670 | Screw pump for conveying waste water and the like | Leonhard Fechter | 1982-03-09 |