Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4401165 | Fire resistant sub-ceiling | Paul Gutermuth | 1983-08-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4401165 | Fire resistant sub-ceiling | Paul Gutermuth | 1983-08-30 |