Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858281 | Ornamental button | Masamichi Shinmi | 1989-08-22 |
| 4815173 | Open-faced button | — | 1989-03-28 |
| 4809407 | Open-faced buttons | — | 1989-03-07 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858281 | Ornamental button | Masamichi Shinmi | 1989-08-22 |
| 4815173 | Open-faced button | — | 1989-03-28 |
| 4809407 | Open-faced buttons | — | 1989-03-07 |