Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5692441 | Drawing roller drive | — | 1997-12-02 |
| 5653429 | Cylinder folding apparatus | Otto T. Weschenfelder | 1997-08-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5692441 | Drawing roller drive | — | 1997-12-02 |
| 5653429 | Cylinder folding apparatus | Otto T. Weschenfelder | 1997-08-05 |