Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11140874 | Retractable leash for rolling up and unrolling a leash | Manfred Bogdahn | 2021-10-12 |
| 9439400 | Device for rolling up and unrolling a leash | Manfred Bogdahn | 2016-09-13 |