Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D305079 | Case for magnifying glass or the like | — | 1989-12-19 |
| D305128 | Telescope | — | 1989-12-19 |
| D305095 | Hand saw | — | 1989-12-19 |
| D304418 | Scissors | — | 1989-11-07 |
| 4839631 | Monitor control apparatus | — | 1989-06-13 |
| D300504 | Hammer | — | 1989-04-04 |
| 4802557 | Wait time prediction apparatus for elevator | Yasukazu Umeda | 1989-02-07 |