Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6042243 | Modular light box | James L. Grill, Roger D. Crawford, Alfred G. Recknagel, Nicholas W. Hartzell | 2000-03-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6042243 | Modular light box | James L. Grill, Roger D. Crawford, Alfred G. Recknagel, Nicholas W. Hartzell | 2000-03-28 |