Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4605836 | Process for achieving proper weld quality in course of the welding operation, marking the faults on the workpieces and certifying the quality | Ferenc Retfalvi, László Lukács, László Molnár, Adam Szappanos | 1986-08-12 |