Assignee
OUTINORD ST AMAND
FR·3 granted patents·30 citations·filing 1979–2001
Technology mixE04G3
Top patents by PatentIndex Score
3 records- 0157US4261542AImprovements in retractile tunnel forms for poured concreteOUTINORD ST AMAND·Filed 1979·Granted Apr 14, 1981·14 cites·12 claims
- 0238US4439064ATunnel framingsOUTINORD ST AMAND·Filed 1982·Granted Mar 27, 1984·13 cites·8 claims
- 0337US6619885B2Telescopic tunnel formOUTINORD ST AMAND·Filed 2001·Granted Sep 16, 2003·3 cites·11 claims
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