Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4997624 | Contact material for vacuum switches and process for manufacturing same | Christian Hannelore | 1991-03-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4997624 | Contact material for vacuum switches and process for manufacturing same | Christian Hannelore | 1991-03-05 |