Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834543 | Optimized four-wing, non-intermeshing rotors for synchronous drive at optimum phase relation in internal batch mixing machines | — | 1989-05-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834543 | Optimized four-wing, non-intermeshing rotors for synchronous drive at optimum phase relation in internal batch mixing machines | — | 1989-05-30 |