Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5602914 | Device for limiting the working voltage for mechanical switches in telephony | Antonio Andreini, Pietro Erratico, Enrico M. A. Ravanelli | 1997-02-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5602914 | Device for limiting the working voltage for mechanical switches in telephony | Antonio Andreini, Pietro Erratico, Enrico M. A. Ravanelli | 1997-02-11 |