Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4451292 | Sintered hardmetals | Hans-Joachim Retelsdorf | 1984-05-29 |
| 4417922 | Sintered hard metals | Hans-Joachim Retelsdorf | 1983-11-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4451292 | Sintered hardmetals | Hans-Joachim Retelsdorf | 1984-05-29 |
| 4417922 | Sintered hard metals | Hans-Joachim Retelsdorf | 1983-11-29 |