Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855104 | Method for the production of sintered electrical contact material for low voltage power switching | Bernhard Rothkegel | 1989-08-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855104 | Method for the production of sintered electrical contact material for low voltage power switching | Bernhard Rothkegel | 1989-08-08 |