Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5097851 | Tobacco sheet and method and apparatus for the production of a tobacco sheet | Uwe Werner Ehling, Jurgen Nusslein, Gerald Schmekel, Wilfried Stiller, Volker Heemann +2 more | 1992-03-24 |
| 4600023 | Process for the preparation of aromatic substances from diterpene fractions | Volker Heemann | 1986-07-15 |