Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680830 | Excrement treatment for small animals and method of manufacturing the same | Yuji Kawaguchi, Takashi Koyama | 1997-10-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680830 | Excrement treatment for small animals and method of manufacturing the same | Yuji Kawaguchi, Takashi Koyama | 1997-10-28 |