Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7838568 | Insulation boards and methods for their manufacture | John B. Letts, Bruce Miller | 2010-11-23 |
| 6093481 | Insulating sheathing with tough three-ply facers | Gregory W. Lynn, James M. Elstun | 2000-07-25 |
| 5352510 | Method for continuous manufacture of foam boards with isocyanate-impregnated facers | Kenneth P. Klapper | 1994-10-04 |
| 5312848 | Thermoformable polyisocyanurate foam laminates for interior finishing applications | Kenneth P. Klapper, John P. Oliver | 1994-05-17 |
| 4764420 | Foam insulation board faced with polymer-fibrous sheet composite | David G. Gluck | 1988-08-16 |
| 4193623 | Concealed device for removing animal droppings | Marlene L. Forsythe, Amelia Laughlin | 1980-03-18 |