Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490827 | Biodegradable tray for raising seedlings | Osamu Hasegawa | 2002-12-10 |
| 6421957 | Tray for growing plants | Osamu Hasegawa | 2002-07-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490827 | Biodegradable tray for raising seedlings | Osamu Hasegawa | 2002-12-10 |
| 6421957 | Tray for growing plants | Osamu Hasegawa | 2002-07-23 |