Graciella Blanchet

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Wilmington, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Xeroprinting with photopolymer master
- Patent number 4,732,831
- Issue date Mar 22, 1988
- E. I. Du Pont de Nemours and Company
- James Riesenfeld
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY