Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9540265 | Chemical feeder | Richard H. Ferguson, John Gary Miller | 2017-01-10 |
| 7081232 | Chemical feeder | Gerard F. Dooley, Jr., Richard H. Ferguson, Stanley R. Pickens | 2006-07-25 |