Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673538 | Method for double folding an insulation batt | Keith Wallace | 1997-10-07 |
| 5665447 | Sound screen insulation with asphalt septum | Gerald G. Greaves, Jeffrey J. Van Sloun, Catherine Ashley Barron | 1997-09-09 |
| 5631061 | Double fold insulation batt | Keith Wallace | 1997-05-20 |