Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11485390 | Liftable carrying device | Franz Blum | 2022-11-01 |
| 11008023 | Liftable carrying apparatus | Franz Blum | 2021-05-18 |
| 10583847 | Raisable carrying device | Franz Blum | 2020-03-10 |