Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4417983 | Scraper apparatus for settling basins and the like | Rudolf Smigerski, Peter Schmidt | 1983-11-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4417983 | Scraper apparatus for settling basins and the like | Rudolf Smigerski, Peter Schmidt | 1983-11-29 |