Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375980 | Housing configuration for helical bladed fluid ring pump | Willy Johst | 1994-12-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375980 | Housing configuration for helical bladed fluid ring pump | Willy Johst | 1994-12-27 |