Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6843844 | Modified cellulose aggregate material | — | 2005-01-18 |
| 6195946 | Forming apparatus and method for thermally insulated concrete wall | Johnnie P. Lott, Cornelius P. Van Horn | 2001-03-06 |
| 5924247 | Lightweight structural panel configured to receive poured concrete and used in wall construction | Cornelius P. Van Horn | 1999-07-20 |