Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5055323 | Method of making predecorated gypsum board face paper | Donald R. Kole, Arthur E. Kennedy | 1991-10-08 |
| 4725477 | Predecorated gypsum board | Donald R. Kole, Arthur E. Kennedy | 1988-02-16 |
| 4579610 | Method of making predecorated gypsum board | Donald R. Kole, Arthur E. Kennedy | 1986-04-01 |
| 4528782 | Sandblast nozzle | — | 1985-07-16 |