NATIONAL PRINTING BUREAU

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
B41M PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING 148
 
  
 
B42D BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH; MOVABLE-STRIP WRITING OR READING APPARATUS 132

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5582103 Method for making an anti-counterfeit latent image formation object for bills, credit cards, etc.Mar 27, 95Dec 10, 96[B41M]
5443579 Printed matter and method for printing the sameJun 02, 93Aug 22, 95[B42D]
5437897 Anti-counterfeit latent image formation object for bills, credit cards, etc. and method for making the sameMay 18, 93Aug 01, 95[B32B]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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