Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4636192 | Apparatus for folding a foldable sheet | Elsbeth Vogtlander | 1987-01-13 |
| 4571237 | Process and apparatus for folding a sheet longitudinally and transversely | — | 1986-02-18 |