Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6590189 | Method of measuring a welding voltage at a heating coil of a heating coil fitting and a heating coil welding apparatus | Achim Spychalski-Merle | 2003-07-08 |
| 6539634 | Paring device | Achim Spychalski-Merle | 2003-04-01 |