Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5791780 | Impeller assembly with asymmetric concave blades | — | 1998-08-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5791780 | Impeller assembly with asymmetric concave blades | — | 1998-08-11 |