Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627848 | Guide device for electric arc torch welding | — | 2003-09-30 |
| 6572379 | Self instruction welding kit | Ronald J. Sears, Roland Zeder, Jennifer Zieserl, Gregoire Eva-Aby | 2003-06-03 |