Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320177 | Power driven hammer drill | Masao Miwa | 1994-06-14 |
| D343105 | Electric hammer drill | Masao Miwa | 1994-01-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320177 | Power driven hammer drill | Masao Miwa | 1994-06-14 |
| D343105 | Electric hammer drill | Masao Miwa | 1994-01-11 |