Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5476149 | Pilot bit | — | 1995-12-19 |
| 5433033 | Excavating tooth and shank plate assembly | — | 1995-07-18 |
| 5426875 | Reversible tooth with adjustable attack angle | — | 1995-06-27 |
| 5427191 | Auger head assembly and method of drilling hard earth formations | — | 1995-06-27 |
| 5366031 | Auger head assembly and method of drilling hard earth formations | — | 1994-11-22 |