Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10583377 | Rain water filter | Arnold Denk, Alfred Jost, Alexander Schweizer, Friedrich W. Poerschke | 2020-03-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10583377 | Rain water filter | Arnold Denk, Alfred Jost, Alexander Schweizer, Friedrich W. Poerschke | 2020-03-10 |