Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8496822 | Retaining device, especially for flat roof drains | Michael Zimmermann | 2013-07-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8496822 | Retaining device, especially for flat roof drains | Michael Zimmermann | 2013-07-30 |