Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9468166 | Automatic subterranean watering system with refill indicator and gripping mechanism | Tristram Zane Coffin | 2016-10-18 |
| 7703240 | Automatic subterranean watering device | Chad Collins | 2010-04-27 |