Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478237 | Enclosed pop-up sprinklers with shielded impact arms | Don Michael Kearby, Joseph Han, Giles A. Kendall | 2002-11-12 |
| 6209801 | Closed-case impact sprinklers with fitted fluid seal assemblies | Don Michael Kearby, Joseph Han, Giles A. Kendall | 2001-04-03 |
| 6155493 | Closed-case impact sprinklers | Don Michael Kearby, Giles A. Kendall, Joseph Han | 2000-12-05 |
| 5992760 | Impact sprinkler unit | Don Michael Kearby, Giles A. Kendall, Joseph Han | 1999-11-30 |