Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359834 | Conveyor system with variable spacing between the carrier units | Preben H. Holdensgaard | 1994-11-01 |
| 4385727 | Irrigation emitter tube | — | 1983-05-31 |
| 4382549 | Irrigation emitter | Mark H. Christy | 1983-05-10 |