Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4497103 | Method for manufacturing a heat insulation sash bar | Tetsuji Imai, Haruo Hori | 1985-02-05 |
| 4455800 | Thermally insulating sash frame member | Haruo Hori | 1984-06-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4497103 | Method for manufacturing a heat insulation sash bar | Tetsuji Imai, Haruo Hori | 1985-02-05 |
| 4455800 | Thermally insulating sash frame member | Haruo Hori | 1984-06-26 |