Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8439370 | Stair-climbing device | Paul-Gerhard Bitzer, Franz Scheck, Wolfgang Hantke | 2013-05-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8439370 | Stair-climbing device | Paul-Gerhard Bitzer, Franz Scheck, Wolfgang Hantke | 2013-05-14 |