Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6974383 | Cabinet for air handling equipment | Michael Daniel Lewis, Thomas A. Ley, Denzil Devon Ratliff, Floyd Stanley, Lloyd Christopher Felty | 2005-12-13 |
| 6742990 | Panel optimized for edge stiffness and gasket compression | Charles K. Kopplen, Michael Daniel Lewis, Donald G. Pestel | 2004-06-01 |