Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5074062 | Method of replacing a worn excavating tooth point | Frederick C. Hahn, Kirk E. Yoresen, Robert K. Emrich, Michael John Secrist | 1991-12-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5074062 | Method of replacing a worn excavating tooth point | Frederick C. Hahn, Kirk E. Yoresen, Robert K. Emrich, Michael John Secrist | 1991-12-24 |