Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640959 | Drive for escalators or moving sidewalks | Karl-Wilhelm Haumann | 2003-11-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640959 | Drive for escalators or moving sidewalks | Karl-Wilhelm Haumann | 2003-11-04 |