Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9835282 | Drain fittings for irrigation systems | Sean Hansen, Duane K. Smith | 2017-12-05 |
| 9614297 | Electrical connectors | Duane K. Smith, Douglas L. Kirk | 2017-04-04 |
| 9566716 | Cutting assemblies for use in cutting tubing | Duane K. Smith, Douglas L. Kirk | 2017-02-14 |
| 9035184 | Electrical connectors | Duane K. Smith, Douglas L. Kirk | 2015-05-19 |
| D694603 | Pipe cutter | Duane K. Smith, Douglas L. Kirk | 2013-12-03 |