Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4649129 | Hygroscopic composition for fire resistant expansion joint cover | — | 1987-03-10 |
| 4566242 | Smoke and heat barrier | — | 1986-01-28 |
| 4557082 | Wide extension expansion joint assembly | — | 1985-12-10 |
| 4522861 | Phosphorescent tread plate and composition | — | 1985-06-11 |
| 4517779 | Fire resistant expansion joint cover | — | 1985-05-21 |