Assignee
WITTKE NORMAN
DE·3 granted patents·1 pending application·26 citations·filing 2004–2010
Top patents by PatentIndex Score
4 records- 0177US9255425B2Closing device for a doorWITTKE NORMAN·Filed 2010·Granted Feb 9, 2016·8 cites·21 claims
- 0276US8720959B2Door opening mechanism with automatic adjustment of the door opening latchWITTKE NORMAN·Filed 2009·Granted May 13, 2014·12 cites·34 claims
- 0364US8164447B2Closing system having a force sensorWITTKE NORMAN·Filed 2008·Granted Apr 24, 2012·6 cites·17 claims
- 0441US2006145488A1Door openerWITTKE NORMAN·Filed 2004·Application pending·0 cites
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