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 Weinhold | 1989-09-12 |
| 4848370 | Method for controlling at least two of the physical properties, decisive for the quality of the finished smokable article, of a material rod of filter or tabacco material | Hartmut Federle | 1989-07-18 |