Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7254925 | Insulated wall assembly | Oscar Stefanutti, Paul Stefanutti, John Willwerth | 2007-08-14 |
| 6622452 | Insulated concrete wall construction method and apparatus | — | 2003-09-23 |