Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10612304 | Apparatus for setting up a ladder or a step on a staircase | Christian Fischer, Gerd Weinhold | 2020-04-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10612304 | Apparatus for setting up a ladder or a step on a staircase | Christian Fischer, Gerd Weinhold | 2020-04-07 |