Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871605 | Inorganic fiber mat based bituminous sheet materials | Charles A. Pagen, Paul Morris | 1989-10-03 |
| 4588634 | Coating formulation for inorganic fiber mat based bituminous roofing shingles | Charles A. Pagen, Paul Morris | 1986-05-13 |