Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846919 | Attaching soles to shoes | Raymond A. Hanson, Christopher M. Allen, Karl-Heinz Albert | 1989-07-11 |
| 4661542 | Adhesive compositions | Heinz G. Gilch, Reinhard Rengel | 1987-04-28 |
| 4618643 | Glue stick adhesives | Götz Hillert | 1986-10-21 |
| 4618651 | Adhesive compositions | Heinz G. Gilch, Karl-Heinz Albert | 1986-10-21 |