Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838014 | Disc cutter rotor assembly | Earl E. Koch, Edmund O. Howell | 1989-06-13 |
| 4815262 | Disc cutterbar construction | Earl E. Koch | 1989-03-28 |
FV
Franja F. Voler
Overall (1989): #27,680 of 140,708Top 20%
2
Patents 1989