Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889140 | Apparatus for making perforations in articles of the tobacco processing industry | Heinz-Christen Lorenzen, Norbert Lange | 1989-12-26 |
| 4878506 | Method of and apparatus for treating accumulations of fibers of tobacco or other smokable material | Heinz-Christen Lorenzen, Uwe Heitmann, Wolfgang Siems | 1989-11-07 |
| 4860772 | Method of and apparatus for making a rod of fibrous material | Gerhard Hensgen, Uwe Heitmann, Peter Brand | 1989-08-29 |