Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8590273 | Method of making multi-ply door core, multi-ply door core, and door manufactured therewith | Geoffrey B. Hardwick | 2013-11-26 |
| 8317959 | Method of making multi-ply door core, multi-ply door core, and door manufactured therewith | Geoffrey B. Hardwick | 2012-11-27 |
| 8087212 | Method of making multi-ply door core, multi-ply door core, and door manufactured therewith | Geoffrey B. Hardwick | 2012-01-03 |
| 7866119 | Method of making a multi-ply door core, multi-ply door core, and door manufactured therewith | Geoffrey B. Hardwick | 2011-01-11 |
| 7314534 | Method of making multi-ply door core, multi-ply door core, and door manufactured therewith | Geoffrey B. Hardwick | 2008-01-01 |