Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9974249 | Hybrid composite hydroponic substrate system | W. Gene Ramsey | 2018-05-22 |
| 9963373 | Method of reducing the occurrence of crystalline silica in foamed glass by the introduction of chemical additives | Richard L. Lehman | 2018-05-08 |