Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5412217 | Density-moisture measuring apparatus | Junichi Ogawa | 1995-05-02 |
| 4625355 | Copper bit cleaner | — | 1986-12-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5412217 | Density-moisture measuring apparatus | Junichi Ogawa | 1995-05-02 |
| 4625355 | Copper bit cleaner | — | 1986-12-02 |