Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4274803 | High-pressure centrifugal pump unit | Hans Spengler | 1981-06-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4274803 | High-pressure centrifugal pump unit | Hans Spengler | 1981-06-23 |