Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D261026 | Storage tank for liquids or the like | Keisaku Koga | 1981-09-29 |
| D259807 | Storage tank for liquids or the like | Keisaku Koga | 1981-07-07 |
| D259437 | Storage tank for liquids or the like | Keisaku Koga | 1981-06-02 |