Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6676319 | Glue stick | Wilhelm Werhahn, Werner Panter | 2004-01-13 |
| 5971225 | Adhesive dispenser with rear filling structure | — | 1999-10-26 |
| 5795436 | Adhesive stick with plunger-shaped retaining device for the stick composition | Hans Halm, Wilhelm Werhahn, Klaus Eichler | 1998-08-18 |