Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887072 | Alarm apparatus | Akihiro Kobayashi | 1989-12-12 |
| 4831361 | Environmental abnormality alarm apparatus | — | 1989-05-16 |
| 4826335 | Recording apparatus having a rotatable cover including a guide for guiding a non-continuous record sheet to a recording head and having another guide for guiding a continuous record sheet having holes therein to the recording head | — | 1989-05-02 |