Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7377774 | Change-over apparatus for cooling gas passages in vacuum heat treating furnace | Kazuhiko Katsumata | 2008-05-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7377774 | Change-over apparatus for cooling gas passages in vacuum heat treating furnace | Kazuhiko Katsumata | 2008-05-27 |