Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5226602 | Adjustable radius sprinkler nozzle | John L. Staylor, Michael J. Grundy, Glendale Grizzle, Stephen L. Tyler | 1993-07-13 |
| 4681260 | Two piece variable stator for sprinkler nozzle flow control | — | 1987-07-21 |
| 4191331 | Stream reversing director | Jon A. Bivens | 1980-03-04 |