Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5282411 | Heat-insulating piston with middle section of less dense but same material | Hiroshi Matsuoka | 1994-02-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5282411 | Heat-insulating piston with middle section of less dense but same material | Hiroshi Matsuoka | 1994-02-01 |