Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4664647 | Belt pulley for a belt drive | Jan Donat Olszewski | 1987-05-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4664647 | Belt pulley for a belt drive | Jan Donat Olszewski | 1987-05-12 |