Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5000395 | Apparatus for inserting a winding sleeve or core into a winding machine | Ewald G. Welp, Reinhold Hehner, Georg Muller, Hartmut Dropczynski, Luzian Kies | 1991-03-19 |
| 4909454 | Apparatus for inserting a winding sleeve or core into a winding machine | Ewald G. Welp, Reinhald Hehner, Georg Muller, Hartmut Dropczynski, Luzian Kies | 1990-03-20 |
| 4775110 | Method of and apparatus for the automatic winding of a web of sheet material | Ewald G. Welp, Herbert Schonmeier, Reinhard Hehner, Georg Moller | 1988-10-04 |