Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4916270 | Mig welder cutting head attachment | John C. West | 1990-04-10 |
| 4896016 | Plasma arc metal cutting apparatus with actuation spring | Daniel M. Broberg | 1990-01-23 |
| 4829223 | Vehicle battery charger | Daniel M. Broberg | 1989-05-09 |