Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865051 | Apparatus for the continuous determination of two physical properties of the constituents of a smokable article | Hartmut Federle, Meinhard Meyer, Jorn Ulrich, Friedrich Walther | 1989-09-12 |
| 4811744 | Apparatus for measuring the draw resistance of a rod of tobacco fibers | Jorn Ulrich, Meinhard Meyer | 1989-03-14 |