Assignee

LANGENHORST EVA

DE·2 granted patents·46 citations·filing 1993–1993

Technology mixE04F2 E06B1 F16B1

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2 records

0162US5440843AFirecode access panelLANGENHORST EVA·Filed 1993·Granted Aug 15, 1995·37 cites·5 claims
0230US5433054AFrame structures, especially for inspection and access openings in walls, roofs and ceilingsLANGENHORST EVA·Filed 1993·Granted Jul 18, 1995·9 cites·15 claims

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