Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889140 | Apparatus for making perforations in articles of the tobacco processing industry | Peter Pinck, Norbert Lange | 1989-12-26 |
| 4878506 | Method of and apparatus for treating accumulations of fibers of tobacco or other smokable material | Peter Pinck, Uwe Heitmann, Wolfgang Siems | 1989-11-07 |
| 4865054 | Method of and apparatus for making and processing streams of fibrous material of the tobacco processing industry | Uwe Heitmann, Wolfgang Siems | 1989-09-12 |
| 4856539 | Method of and apparatus for uniformizing the moisture content of tobacco | — | 1989-08-15 |