Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6399186 | Coated air duct insulation sheets and the like and the method of coating such sheets | Kent R. Matthews, Thomas L. Mitchell, Kimberly Ryan | 2002-06-04 |
| 6284313 | Coated air duct insulation sheets and the like and the method of coating such sheets | Kent R. Matthews, Thomas L. Mitchell, Kimberly Ryan | 2001-09-04 |
| 4990370 | On-line surface and edge coating of fiber glass duct liner | Kent R. Matthews, Ricky W. Totsch, Donny L. Timms | 1991-02-05 |