Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4382348 | Soilless plant growing device | Masayasu Yanagisawa, Hitoshi Kobayashi | 1983-05-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4382348 | Soilless plant growing device | Masayasu Yanagisawa, Hitoshi Kobayashi | 1983-05-10 |