Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825691 | Method and apparatus for detecting trouble in pulse generators | — | 1989-05-02 |
| D300740 | Telephone set with moveable display | Ushio Kubo, Yasukazu Kogen | 1989-04-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825691 | Method and apparatus for detecting trouble in pulse generators | — | 1989-05-02 |
| D300740 | Telephone set with moveable display | Ushio Kubo, Yasukazu Kogen | 1989-04-18 |