Assignee
RIJNSTAAL BV
NL·2 granted patents·5 citations·filing 1988–1989
Top patents by PatentIndex Score
2 records- 0126US4811889AMethod and apparatus for the manufacture of powder-filled steel tube from steel stripRIJNSTAAL BV·Filed 1988·Granted Mar 14, 1989·4 cites·10 claims
- 0219US4930547APowder-filled welded steel tube and method for the continuous manufacture thereofRIJNSTAAL BV·Filed 1989·Granted Jun 5, 1990·1 cites·1 claims
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