Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5422020 | Solid-bed reactor for biological sewage treatment | Peter Pamperl | 1995-06-06 |
| 4370230 | Drainpipe for a reversible drainpipe filter system | — | 1983-01-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5422020 | Solid-bed reactor for biological sewage treatment | Peter Pamperl | 1995-06-06 |
| 4370230 | Drainpipe for a reversible drainpipe filter system | — | 1983-01-25 |