Bureau of Engraving and Printing

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Washington, DC, US

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Patents Grantslast 30 patents

Information Patent Grant
Soybean oil-based intaglio ink and method for making same
- Patent number 5,569,701
- Issue date Oct 29, 1996
- Bureau of Engraving and Printing
- John T. Moynihan
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...