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For the Inventor, By the Inventor

Paris, France

De La Rue Cartes Et Systems Sas


USPTO Granted Patents = 1

Forward Citations = 24

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2 inventors (with patents filed for the assignee):

goldMedal Joseph Hoppe (1 out of 4 patents)

silverMedal Ronald Ferreira (1 out of 3 patents)


1 patent:

1. 5748782 - Device for implementing a message signature system and chip card (1998-05-05),
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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#1,337 in Paris

#7,578 in France

...
Paris, France

De La Rue Cartes Et Systems Sas

Forward Citations = 24

2 inventors:

goldMedal Joseph Hoppe (1 out of 4 patents)

silverMedal Ronald Ferreira (1 out of 3 patents)

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