Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6675552 | Method and device for producing bags with three sealed edges and welded-in closing seal | Rico Kunz, Thomas Strasser, Horst Loewenthal | 2004-01-13 |
| 5438588 | Direct current-electric arc furnace system | — | 1995-08-01 |
| 5052166 | Method and apparatus for continuous package making | Beda Ziegler | 1991-10-01 |