Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6776816 | Methods for accelerating production of magnesium ammonium phosphate while attaining higher yields thereof and a slow-release fertilizer produced therefrom | David B. Ringelberg, Charles Weiss | 2004-08-17 |
| 6682671 | Method of manufacturing fiber-reinforced structures incorporating recycled carpet fibers | Grady A. Howell, Joe G. Tom, Charles Weiss | 2004-01-27 |