Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4181513 | Carbon adsorptive filter material with layers of reinforcing non woven fabrics needle punched | Takashi Fukuda, Masayoshi Shimada, Nobuo Ishizaki | 1980-01-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4181513 | Carbon adsorptive filter material with layers of reinforcing non woven fabrics needle punched | Takashi Fukuda, Masayoshi Shimada, Nobuo Ishizaki | 1980-01-01 |