Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5060664 | Method of and apparatus for making streams containing fibrous materials of the tobacco processing industry | Wolfgang Siems | 1991-10-29 |
| 4986285 | Method and apparatus for ascertaining the density of wrapped tobacco fillers and the like | Wolfgang Stems | 1991-01-22 |
| 4805641 | Method and apparatus for ascertaining the density of wrapped tobacco fillers and the like | Wolfgang Siems | 1989-02-21 |