Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7455780 | Method of treating stormwater runoff and domestic waste with high carbon ash | Robert J. Waldrop | 2008-11-25 |
| 7311844 | Method of treating stormwater runoff and domestic waste with coal ash | Robert J. Waldrop | 2007-12-25 |
| 7052212 | Downspout energy dissipater splash pad with spillway | — | 2006-05-30 |
| 4188651 | Ceramic capacitor with surface electrodes | John E. Dornfeld | 1980-02-12 |