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R. Oldenboug Graphische Betriebe GmbH Patents |
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Assignee: R. Oldenboug Graphische Betriebe GmbH
Address: both of, DE
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4171864 |
Identification document and display unit therefor |
October 23, 1979 |
| An identification document contains idential data both in visual and holographic form. Simultaneous display of the visual data and holographic data in closely adjacent relationship permits ready detection of counterfeiting, alteration and misuse. |
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