Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4506112 | Telephone set including a circuit for seizing the line without lifting the handset off the gravity switch | — | 1985-03-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4506112 | Telephone set including a circuit for seizing the line without lifting the handset off the gravity switch | — | 1985-03-19 |