Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5209124 | Method and apparatus for determining the filling capacity of tobacco and the hardness of cigarettes | Wolfgang Graudejus | 1993-05-11 |
| 5056371 | Method and apparatus for determining the filling capacity of tobacco | Wolfgang Graudejus | 1991-10-15 |
| 4458531 | Method of and apparatus for examining biological effects in cell-lots | Wolfgang Mehlhardt, Fritz-Albert Popp, Hans-Gunther Schmidt | 1984-07-10 |