Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6579171 | Ventilation assembly | Jack Lawless, III, Charles E. Schiedegger, J. Richard Logan | 2003-06-17 |
| 6325712 | Ventilation assembly | Jack Lawless, III, Charles E. Schiedegger, J. Richard Logan | 2001-12-04 |
| 5052160 | Tile board | Thomas M. Whitney | 1991-10-01 |