Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7922033 | Universal lid for underground access boxes | John Cary Sofyanos, Jimmie Howard Wickham, Kumud Jacob Lugun, Gautam Gulati, Anurag Somit | 2011-04-12 |
| 6478237 | Enclosed pop-up sprinklers with shielded impact arms | Joseph Han, Giles A. Kendall, Derick C. Wright | 2002-11-12 |
| 6209801 | Closed-case impact sprinklers with fitted fluid seal assemblies | Joseph Han, Giles A. Kendall, Derick C. Wright | 2001-04-03 |
| 6155493 | Closed-case impact sprinklers | Giles A. Kendall, Joseph Han, Derick C. Wright | 2000-12-05 |
| 5992760 | Impact sprinkler unit | Giles A. Kendall, Joseph Han, Derick C. Wright | 1999-11-30 |
| 5762270 | Sprinkler unit with flow stop | Richard M. Dunn, Mike Clark | 1998-06-09 |