Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4920864 | Reinforced piston | Milton W. Toaz | 1990-05-01 |
| 4337677 | Method of making die-cast masonry drill | James E. Rauckhorst | 1982-07-06 |
| 4314616 | Die-cast masonry drill with leading hard insert | James E. Rauckhorst | 1982-02-09 |