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Peter Hewkin
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Cambridge, GB
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last 30 patents
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Patent Grant
Anticopying film
Patent number
5,795,643
Issue date
Aug 18, 1998
BASF Magnetics GmbH
Helmut Steininger
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Patent Grant
Anti-copy film layer for documents
Patent number
5,728,449
Issue date
Mar 17, 1998
EMTEC Magnetics GmbH
Helmut Steininger
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER