Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352510 | Method for continuous manufacture of foam boards with isocyanate-impregnated facers | Wayne E. Laughlin | 1994-10-04 |
| 5312848 | Thermoformable polyisocyanurate foam laminates for interior finishing applications | Wayne E. Laughlin, John P. Oliver | 1994-05-17 |