Assignee
WHD ELEKTRON PRUEFTECH GMBH
DE·5 granted patents·25 citations·filing 1996–2002
Top patents by PatentIndex Score
5 records- 0177US7301682B1Optically variable security attributeWHD ELEKTRON PRUEFTECH GMBH·Filed 2000·Granted Nov 27, 2007·12 cites·13 claims
- 0263US7090917B2Security stripsWHD ELEKTRON PRUEFTECH GMBH·Filed 2002·Granted Aug 15, 2006·4 cites·19 claims
- 0330US7116406B1Security element structure for documents, devices for checking documents with such security elements, method for the use thereofWHD ELEKTRON PRUEFTECH GMBH·Filed 1998·Granted Oct 3, 2006·3 cites·8 claims
- 0429US5911298AMulti-compact-sensor adapted for mounting at an ascending angleWHD ELEKTRON PRUEFTECH GMBH·Filed 1996·Granted Jun 15, 1999·4 cites·20 claims
- 0519US7367592B1Marking substance and security markings for testing the authenticity of documentsWHD ELEKTRON PRUEFTECH GMBH·Filed 1999·Granted May 6, 2008·2 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when WHD ELEKTRON PRUEFTECH GMBH files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →