Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309572 | Call processing system with an operator assistance in a telephone switching system | Hiromichi Mori, Jun Matsumoto, Yoshikazu Ikeda | 1982-01-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309572 | Call processing system with an operator assistance in a telephone switching system | Hiromichi Mori, Jun Matsumoto, Yoshikazu Ikeda | 1982-01-05 |