Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4328570 | Electronic timepiece with illumination lamp battery voltage drop compensation circuit | — | 1982-05-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4328570 | Electronic timepiece with illumination lamp battery voltage drop compensation circuit | — | 1982-05-04 |