Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7478503 | Fire stop frame assembly | Walter Milani, Larry Whitty | 2009-01-20 |
| 6615860 | Fire block conduit coupler | Manfred Harle | 2003-09-09 |
| D469859 | Waste and vent pipe | — | 2003-02-04 |