Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10968589 | Water monitoring and control system and method thereof | Dennis McGrath, David C. White, Gordon Alexander Echols | 2021-04-06 |
| 8746746 | Nestable connector | Christopher E. Schafer | 2014-06-10 |
| 8403596 | Groundwater control system and method | Britt Dinsdale, William Littler, IV, Phil Algreen | 2013-03-26 |
| 8342775 | Groundwater control system with purity sensor and method | Phil Algreen | 2013-01-01 |
| 6786234 | Drainage tile flow regulator | Leo E. Beebout, William Littler IV | 2004-09-07 |
| 6715508 | Drainage tile flow regulator | Leo E. Beebout, William Littler, IV | 2004-04-06 |
| 6672626 | Corrugated pipe connection stabilizing apparatus | Mark P. Gettler, William Littler, IV | 2004-01-06 |