Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4999407 | Hot-melt polyurethane adhesive compositions | Heinz G. Gilch | 1991-03-12 |
| 4846919 | Attaching soles to shoes | Raymond A. Hanson, Christopher M. Allen, Hubertus von Voithenberg | 1989-07-11 |
| 4618651 | Adhesive compositions | Heinz G. Gilch, Hubertus von Voithenberg | 1986-10-21 |