Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SECURITY DOCUMENTS AND A AUTHENTICATING SUCH DOCUMENTS
Document Type and Number:
WIPO Patent Application WO/2003/013870
Kind Code:
A2
Abstract:
A security document and a method of making and authenticating the document in which the document (10) contains a security feature (11, 13, 15) of an image/background pattern printed in one substractive color (20) on the document and at least one other but different image/background pattern (24) printed in another substractive color (30) superimposed directly over the one image/background pattern (34).

More Like This:
JP6167351Solid display formation object
JPH09314980PRINTED MATTER PREVENTING DUPLICATION AND FALSIFICATION
Inventors:
WICKER THOMAS M (US)
Application Number:
PCT/US2002/023753
Publication Date:
February 20, 2003
Filing Date:
July 26, 2002
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
WICKER THOMAS M (US)
International Classes:
B41M3/14; B42D15/00; B44F1/12; (IPC1-7): B41M/
Foreign References:
US6222650B12001-04-24
US5974150A1999-10-26
US4715623A1987-12-29
US5487567A1996-01-30
US4588212A1986-05-13
US4033059A1977-07-05
US5722693A1998-03-03
Attorney, Agent or Firm:
Roach, Laurence S. (LLP 39 State Stree, Rochester NY, US)
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: PRINTING CARTRIDGE WITH TWO DIMENSIONAL CODE IDENTIFICATION

Next Patent: HIGH GLOSS INK−JET RECORDING PAPER FOR PHOTOGRAPHIC PRINTING