Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D356515 | Hardness testing apparatus | Tetsuo Murakami | 1995-03-21 |
| 5284049 | Indentation hardness tester | — | 1994-02-08 |
| 4896339 | Material testing machine | — | 1990-01-23 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D356515 | Hardness testing apparatus | Tetsuo Murakami | 1995-03-21 |
| 5284049 | Indentation hardness tester | — | 1994-02-08 |
| 4896339 | Material testing machine | — | 1990-01-23 |