Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364044 | Air-cushion roll support in roll-making machine | Ewald G. Welp | 1994-11-15 |
| 5360180 | Roll-support system for paper-winding machine | Ewald G. Welp, Reinhard Hehner | 1994-11-01 |