Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4485147 | Process for producing a sintered product of copper-infiltrated iron-base alloy and a two-layer valve seat produced by this process | Yoshio Nishino | 1984-11-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4485147 | Process for producing a sintered product of copper-infiltrated iron-base alloy and a two-layer valve seat produced by this process | Yoshio Nishino | 1984-11-27 |