Inventor · disambiguated record

Ralf Wondratschek

Also filed as: Wondratschek Ralf

1 granted patent·7 citations·filing 2014–2014

28Inventor score

Technology areasG07D

Files withLEONHARD KURZ STIFTUNG & CO KG1

Top patents by PatentIndex Score

1 record

0181US10019626B2Method for authenticating a security element, and optically variable security elementLEONHARD KURZ STIFTUNG & CO KG·Filed 2014·Granted Jul 10, 2018·7 cites·69 claims

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