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Olaf Stöber
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Verden, DE
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last 30 patents
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Patent Grant
Film with a security feature, a process for the production thereof...
Patent number
6,364,363
Issue date
Apr 2, 2002
Wolff Walsrode AG
Olaf Stöber
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Patent Grant
Film with protective feature, a method of producing it and also its...
Patent number
6,346,321
Issue date
Feb 12, 2002
Wolff Walsrode AG
Olaf Stöber
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS