Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6234892 | Device for producing hot air curtains for door openings in local transit vehicle | Karl-Eberhard Geyer | 2001-05-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6234892 | Device for producing hot air curtains for door openings in local transit vehicle | Karl-Eberhard Geyer | 2001-05-22 |