Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5060668 | Device for the production of at least two adjacent rows of perforations in cigarettes and/or filter-lining paper or filter-wrapping paper | — | 1991-10-29 |
| 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 |
| 4517829 | Pneumatic sealing arrangement | Heinz Krappitz, Hans-Peter Carstensen | 1985-05-21 |