Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5442897 | Method of and apparatus for making tubular envelopes | Alfred Hinzmann, Peter Preisner, Timour Shu | 1995-08-22 |
| 5004467 | Tampon | Alfred Hinzmann, Timour Shu, Peter Preisner | 1991-04-02 |