Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800832 | Method and apparatus for welding | Richard Martin Hutchison, Todd Earl Holverson | 2004-10-05 |
| 6747247 | Welding-type power supply with a state-based controller | Todd Earl Holverson, Robert R. Davidson | 2004-06-08 |
| 6710300 | Contact tip assembly for mig gun | Robert D. Steenis, Richard Martin Hutchison, Richard Beeson, Lin Zhang, Todd Earl Holverson | 2004-03-23 |