Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697280 | All purpose saw blade | Donald L. Armstrong, Akiyoshi Yoneda | 1997-12-16 |
| 5501129 | All purpose saw blade | Donald L. Armstrong, Akiyoshi Yoneda | 1996-03-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697280 | All purpose saw blade | Donald L. Armstrong, Akiyoshi Yoneda | 1997-12-16 |
| 5501129 | All purpose saw blade | Donald L. Armstrong, Akiyoshi Yoneda | 1996-03-26 |