Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D895416 | Spring for sprinkler head | — | 2020-09-08 |
| D892269 | Protector for sprinkler head | — | 2020-08-04 |
| D887800 | Spanner wrench | Hisayoshi Ohkoshi | 2020-06-23 |
| D887527 | Wrench socket for sprinkler head | Hisayoshi Ohkoshi | 2020-06-16 |