Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4540065 | Apparatus for wall timbering of drifts, tunnels, and the like | Seiji Kawaguchi, Shigeo Kodama, Haruo Ito, Kyuemon Yamamoto | 1985-09-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4540065 | Apparatus for wall timbering of drifts, tunnels, and the like | Seiji Kawaguchi, Shigeo Kodama, Haruo Ito, Kyuemon Yamamoto | 1985-09-10 |