Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488167 | Frame with an insert | — | 2002-12-03 |
| 5794528 | Device for holding tensioned sheet-like material and process for tensioning said material | Hans-Ulrich Gronig, Guido Kreuzer | 1998-08-18 |