Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8069629 | Process for manufacturing insulated siding | Anthony L. Rockwell, W. David Graham, Kaushik Chakrabarty | 2011-12-06 |
| 7951240 | Process of producing roofing shingle coating asphalt allowing more material options | David C. Trumbore, Edward R. Harrington, Jason D. Guerra, David R. Jones | 2011-05-31 |