Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10412905 | Expandable plant cover | Douglas K. Ward, Mirek Kacprzak, Ken Miller | 2019-09-17 |
| 8991868 | Splash guard attachment clip assembly | Douglas K. Ward, Ken Miller, Ken Lott | 2015-03-31 |
| 5010872 | Steam-producing orchard heater | Joseph E. Smith | 1991-04-30 |