Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4382809 | Method and apparatus for the production of mineral fiber felts having fiber-leveling device | William F. Porter, Karl Edmund Schneider | 1983-05-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4382809 | Method and apparatus for the production of mineral fiber felts having fiber-leveling device | William F. Porter, Karl Edmund Schneider | 1983-05-10 |