Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8429866 | Modular system for cladding exterior walls of a structure and insulating the structure walls | Douglas James Knight, David A. Knight, Kenneth Lee Knight, Joel R. SCHWARTZ, Scott Croasdale | 2013-04-30 |
| D649266 | J channel | Douglas James Knight, David A. Knight, Kenneth Lee Knight | 2011-11-22 |