Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831251 | Welding rod drive unit with main and auxiliary drives | Josef Artelsmair, Bernhard Mörtendorfer | 2004-12-14 |
| 6818130 | Method and apparatus for multistage liquid filtration | Monica Varriale, Robert John Lyng | 2004-11-16 |
| 6791062 | Method for positioning a welding torch in the center-line of the desired course of a weld seam | Josef Artelsmair | 2004-09-14 |
| D494369 | Dental wipe | Jason P. McDevitt | 2004-08-17 |
| 6721987 | Dental wipe | Jason P. McDevitt, Jark C. Lau, Jaeho Kim | 2004-04-20 |
| 6710297 | Method of detecting a welding voltage | Josef Artelsmair | 2004-03-23 |
| 6682514 | Efficient zoned elastic laminate | — | 2004-01-27 |