Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699969 | Method and system for reclaiming aggregate from concrete waste material | — | 1997-12-23 |
KI
Kazutoshi Isaji
Overall (1997): #123,180 of 185,788Top 70%
1
Patents 1997