Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9689204 | Stepladder | Tazuko Aoi | 2017-06-27 |
| D765269 | Stepladder | Tazuko Aoi | 2016-08-30 |
| D761442 | Stepladder | Tazuko Aoi | 2016-07-12 |
| D758615 | Stepladder | Tazuko Aoi | 2016-06-07 |
| D757959 | Stepladder | Tazuko Aoi | 2016-05-31 |