Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6109518 | Heating-insulating cup and method of making same | Berthold Mueller | 2000-08-29 |
| 4667844 | Paper container with a jacket wound with a double wall and process for its preparation | — | 1987-05-26 |
| 4546911 | Heat-sealable coated paper container and method of manufacture | — | 1985-10-15 |
| 4531930 | Process for the preparation of a paper container equipped with a reinforcing ring, and a reinforcing ring for such process | — | 1985-07-30 |
| 4452596 | Apparatus for making cup of surface protected paperboard | Berthold Muller | 1984-06-05 |