Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5821491 | Multiple single phase weld control systems coupled to a polyphase power source | Larry A. Dew | 1998-10-13 |
| 5760361 | Multiple single phase weld control systems from a polyphase power source | Larry A. Dew | 1998-06-02 |