Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7622876 | Overload prevention device for permanent magnet DC motors | Greg Kolacinski | 2009-11-24 |
| 4425571 | Chart recorder | William Carrol Mueller | 1984-01-10 |
| 4188858 | Bumper deterioration warning system for fastener driving tools | — | 1980-02-19 |