Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4892355 | Chair construction | — | 1990-01-09 |
| 4817308 | Steam pressing station for pressing fabric seams | Dieter May | 1989-04-04 |
| 4504214 | Control valve for a burner with shutoff characteristics | Karl-Heinz Stahl | 1985-03-12 |
| 4298167 | Mist generator | Karl-Heinz Stahl, Werner Stahl | 1981-11-03 |