Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677038 | Hot-melt adhesive composition for the coating of interlining material | Siegfried Hahn | 1997-10-14 |
| 5668242 | Polyesters for the bonding of textiles | Siegfried Hahn | 1997-09-16 |