Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6739532 | Method for separating adhered paper from paper-covered gypsum board | — | 2004-05-25 |
| 5593096 | Method and apparatus for separating adhered paper from paper covered gypsum board | Byron W. Harker | 1997-01-14 |