Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852308 | Gutter assembly with cleaning system | Francis X. Papenbrock | 1989-08-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852308 | Gutter assembly with cleaning system | Francis X. Papenbrock | 1989-08-01 |