Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4508681 | Method of making surface-hardened sinter-iron part | Winfried Diegelmann | 1985-04-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4508681 | Method of making surface-hardened sinter-iron part | Winfried Diegelmann | 1985-04-02 |