Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6615860 | Fire block conduit coupler | Manfred Harle | 2003-09-09 |
| D469859 | Waste and vent pipe | — | 2003-02-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6615860 | Fire block conduit coupler | Manfred Harle | 2003-09-09 |
| D469859 | Waste and vent pipe | — | 2003-02-04 |