Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8403596 | Groundwater control system and method | Charlie J. Schafer, Britt Dinsdale, William Littler, IV | 2013-03-26 |
| 8342775 | Groundwater control system with purity sensor and method | Charlie J. Schafer | 2013-01-01 |