Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351993 | Gas-blast switch | — | 1982-09-28 |
| 4342890 | Gas-blast switch | — | 1982-08-03 |
| 4329553 | Gas-blast switch | — | 1982-05-11 |
| 4320270 | Gas-blast switch | Christian Sturzenegger | 1982-03-16 |