Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4268360 | Temporary heat-proof apparatus for use in repairing coke ovens | Akira Tsuzuki | 1981-05-19 |
| 4248562 | Coke guide car | Akira Tsuzuki | 1981-02-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4268360 | Temporary heat-proof apparatus for use in repairing coke ovens | Akira Tsuzuki | 1981-05-19 |
| 4248562 | Coke guide car | Akira Tsuzuki | 1981-02-03 |