Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5816364 | Ladder leveling apparatus | Cynthia Christy | 1998-10-06 |
| 4909441 | Elastomeric flow control valve | — | 1990-03-20 |
| 4869432 | Elastomeric flow control pin for irrigation systems | — | 1989-09-26 |
| 4846406 | Micro flow control valve for irrigation systems and method | — | 1989-07-11 |
| 4382549 | Irrigation emitter | Lloyd Spencer | 1983-05-10 |