Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8607886 | Combined plug and sealing ring for sprinkler nozzle and related methods | John Harrington, Paul Su | 2013-12-17 |
| 4732147 | Support frame | — | 1988-03-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8607886 | Combined plug and sealing ring for sprinkler nozzle and related methods | John Harrington, Paul Su | 2013-12-17 |
| 4732147 | Support frame | — | 1988-03-22 |