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AB Rollfilm Patents |
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Assignee: AB Rollfilm
Address: Stockholm, SE
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4464448 |
Method of producing an identity document |
August 7, 1984 |
| A black and white microfilm reproduction is made of a person or their photograph and accompanying text data. A sheet of multicolor photographic paper then is exposed to the black and white image carried on the microfilm and to another color film carrying a multicolor security pattern |
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