Jonsson; Sven Jonas Roland
Patent Applications and Registrations
Patent applications and USPTO patent grants for Jonsson; Sven Jonas Roland.The latest application filed is for "apparatus for automatic electric arc welding".
- Jonsson; Sven Jonas Roland - Laxa SW
| Patent | Date |
|---|---|
| Apparatus For Automatic Electric Arc Welding Grant 3,835,287 - Jonsson September 10, 1 | 1974-09-10 |
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