Patents per Year
Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4707176 | Plant growth media containing rice hull ash | — | 1987-11-17 | |
| 4645605 | Filtration with biogenetic silica | — | 1987-02-24 | |
| 4555448 | Biogenetic silica insulation | — | 1985-11-26 | |
| 4460292 | Process for containment of liquids as solids or semisolids | Carl R. Henderson, Richard C. Allison, II | 1984-07-17 | |
| 4288846 | Floodlight | Thomas A. Fletcher | 1981-09-08 | $1,849,000 |
| 4238374 | Bound aggregate method and composition | John Mckenzie | 1980-12-09 |