Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4201516 | Impeller for a centrifugal machine | Michael Raymond Kolk, Roy E. Hoyle | 1980-05-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4201516 | Impeller for a centrifugal machine | Michael Raymond Kolk, Roy E. Hoyle | 1980-05-06 |