Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818860 | Portable welder with integral battery charger | William T. Matthews | 2004-11-16 |
| 6683278 | Tandem electrode welder and method of welding with two electrodes | Steven R. Peters | 2004-01-27 |