Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D463537 | Plug of pipe coupling | Izumi Kozu | 2002-09-24 |
| D462112 | Socket of pipe coupling | Izumi Kozu | 2002-08-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D463537 | Plug of pipe coupling | Izumi Kozu | 2002-09-24 |
| D462112 | Socket of pipe coupling | Izumi Kozu | 2002-08-27 |