Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7789323 | Dual-mode sprinkler head | Reid A. Nelson, Craig B. Nelson, Michael Townsend | 2010-09-07 |
| 7717361 | Distributor plate with diffuser on fixed shaft | Craig B. Nelson, George L. Sesser | 2010-05-18 |
| 7624935 | Distributor plate and diffuser plate on sleeved shaft | Craig B. Nelson, George L. Sesser | 2009-12-01 |