Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4296294 | Method and apparatus for drying and setting the adhesive on books by vaporization of water using RF energy | Karl-Heinz Knobbe | 1981-10-20 |
| 4234178 | Process and apparatus for the production of book blocks | Ernst Dudziak | 1980-11-18 |