Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6568553 | Tank cap and tank cap apparatus | Masayuki Nakagawa | 2003-05-27 |
| 6543833 | Cap device | Masayuki Nakagawa | 2003-04-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6568553 | Tank cap and tank cap apparatus | Masayuki Nakagawa | 2003-05-27 |
| 6543833 | Cap device | Masayuki Nakagawa | 2003-04-08 |