Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5146821 | Method of cutting blanks from webs of material | Wolfgang Bruder, Klaus Biervert | 1992-09-15 |
| 4972745 | Method and apparatus for cutting blanks from webs of material | Wolfgang Bruder, Klaus Biervert | 1990-11-27 |