Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5497415 | Automatic release device for automatically releasing the hold-on setting of an outside line call, and transfer method for an outside line call | — | 1996-03-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5497415 | Automatic release device for automatically releasing the hold-on setting of an outside line call, and transfer method for an outside line call | — | 1996-03-05 |