Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4618532 | Upholstered seat having an air-permeable covering and a cold foam core | Robert Volland, Hans-Albrecht Freitag, Johannes Seesing | 1986-10-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4618532 | Upholstered seat having an air-permeable covering and a cold foam core | Robert Volland, Hans-Albrecht Freitag, Johannes Seesing | 1986-10-21 |