Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5785248 | Rotary sprinkler drive assembly with filter screen | John L. Staylor, Jeff McKenzie | 1998-07-28 |
| 5360167 | Adjustable radius sprinkler nozzle | Michael J. Grundy, Jeff B. McKenzie | 1994-11-01 |